74513768 has 16 divisors (see below), whose sum is σ = 159672480. Its totient is φ = 31934448.

The previous prime is 74513749. The next prime is 74513779. The reversal of 74513768 is 86731547.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 665246 + ... + 665357.

It is an arithmetic number, because the mean of its divisors is an integer number (9979530).

Almost surely, 2^74513768 is an apocalyptic number.

It is an amenable number.

74513768 is an abundant number, since it is smaller than the sum of its proper divisors (85158712).

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

74513768 is a wasteful number, since it uses less digits than its factorization.

74513768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330616 (or 1330612 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 74513768 is about 8632.1357727969. The cubic root of 74513768 is about 420.8030139731.

The spelling of 74513768 in words is "seventy-four million, five hundred thirteen thousand, seven hundred sixty-eight".