Search a number
-
+
74070437 = 729364879
BaseRepresentation
bin1000110101000…
…11100110100101
312011101011112112
410122203212211
5122430223222
611203330405
71556405540
oct432434645
9164334475
1074070437
11388a1241
1220980a05
131246547c
149ba1857
156781be2
hex46a39a5

74070437 has 8 divisors (see below), whose sum is σ = 87571200. Its totient is φ = 61299504.

The previous prime is 74070431. The next prime is 74070463. The reversal of 74070437 is 73407047.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 74070437 - 222 = 69876133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74070431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182237 + ... + 182642.

It is an arithmetic number, because the mean of its divisors is an integer number (10946400).

Almost surely, 274070437 is an apocalyptic number.

It is an amenable number.

74070437 is a deficient number, since it is larger than the sum of its proper divisors (13500763).

74070437 is a wasteful number, since it uses less digits than its factorization.

74070437 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364915.

The product of its (nonzero) digits is 16464, while the sum is 32.

The square root of 74070437 is about 8606.4183607352. The cubic root of 74070437 is about 419.9668095465.

The spelling of 74070437 in words is "seventy-four million, seventy thousand, four hundred thirty-seven".

Divisors: 1 7 29 203 364879 2554153 10581491 74070437