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74471012 = 22711435623
BaseRepresentation
bin1000111000001…
…01011001100100
312012010112000122
410130011121210
5123031033022
611220101112
71562664440
oct434053144
9165115018
1074471012
11390451a0
1220b34798
13125758b5
149c67820
156810742
hex4705664

74471012 has 48 divisors (see below), whose sum is σ = 166290432. Its totient is φ = 28334880.

The previous prime is 74470997. The next prime is 74471027. The reversal of 74471012 is 21017447.

It is an interprime number because it is at equal distance from previous prime (74470997) and next prime (74471027).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10433 + ... + 16055.

It is an arithmetic number, because the mean of its divisors is an integer number (3464384).

Almost surely, 274471012 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74471012, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83145216).

74471012 is an abundant number, since it is smaller than the sum of its proper divisors (91819420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74471012 is a wasteful number, since it uses less digits than its factorization.

74471012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5688 (or 5686 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 74471012 is about 8629.6588576838. The cubic root of 74471012 is about 420.7225129843.

Adding to 74471012 its reverse (21017447), we get a palindrome (95488459).

The spelling of 74471012 in words is "seventy-four million, four hundred seventy-one thousand, twelve".

Divisors: 1 2 4 7 11 14 22 28 43 44 77 86 154 172 301 308 473 602 946 1204 1892 3311 5623 6622 11246 13244 22492 39361 61853 78722 123706 157444 241789 247412 432971 483578 865942 967156 1692523 1731884 2659679 3385046 5319358 6770092 10638716 18617753 37235506 74471012