74912616 has 48 divisors (see below), whose sum is σ = 209439360. Its totient is φ = 24164640.

The previous prime is 74912603. The next prime is 74912623. The reversal of 74912616 is 61621947.

It is a super-2 number, since 2×74912616² = 11223800071926912, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 14550 + ... + 19013.

It is an arithmetic number, because the mean of its divisors is an integer number (4363320).

Almost surely, 2^74912616 is an apocalyptic number.

It is an amenable number.

74912616 is an abundant number, since it is smaller than the sum of its proper divisors (134526744).

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

74912616 is a wasteful number, since it uses less digits than its factorization.

74912616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33606 (or 33599 counting only the distinct ones).

The product of its digits is 18144, while the sum is 36.

The square root of 74912616 is about 8655.2074498535. The cubic root of 74912616 is about 421.5524856227.

The spelling of 74912616 in words is "seventy-four million, nine hundred twelve thousand, six hundred sixteen".