74619816 has 16 divisors (see below), whose sum is σ = 186549600. Its totient is φ = 24873264.

The previous prime is 74619781. The next prime is 74619829. The reversal of 74619816 is 61891647.

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 3 ways as a sum of consecutive naturals, for example, 1554556 + ... + 1554603.

It is an arithmetic number, because the mean of its divisors is an integer number (11659350).

Almost surely, 2^74619816 is an apocalyptic number.

It is an amenable number.

74619816 is an abundant number, since it is smaller than the sum of its proper divisors (111929784).

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

74619816 is a wasteful number, since it uses less digits than its factorization.

74619816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3109168 (or 3109164 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 74619816 is about 8638.2762169312. The cubic root of 74619816 is about 421.0025483039.

The spelling of 74619816 in words is "seventy-four million, six hundred nineteen thousand, eight hundred sixteen".