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74246860 = 2253123863
BaseRepresentation
bin1000110110011…
…10101011001100
312011201010112201
410123032223030
5123001344420
611211211244
71561042102
oct433165314
9164633481
1074246860
1138a01846
1220a46b24
13124c786c
149c09c72
1567b910a
hex46ceacc

74246860 has 36 divisors (see below), whose sum is σ = 161151984. Its totient is φ = 28733280.

The previous prime is 74246833. The next prime is 74246863. The reversal of 74246860 is 6864247.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (74246863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17289 + ... + 21151.

It is an arithmetic number, because the mean of its divisors is an integer number (4476444).

Almost surely, 274246860 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 74246860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80575992).

74246860 is an abundant number, since it is smaller than the sum of its proper divisors (86905124).

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

74246860 is a wasteful number, since it uses less digits than its factorization.

74246860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3934 (or 3901 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 37.

The square root of 74246860 is about 8616.6617666008. The cubic root of 74246860 is about 420.2999746639.

The spelling of 74246860 in words is "seventy-four million, two hundred forty-six thousand, eight hundred sixty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 961 1922 3844 3863 4805 7726 9610 15452 19220 19315 38630 77260 119753 239506 479012 598765 1197530 2395060 3712343 7424686 14849372 18561715 37123430 74246860