74819304816 has 20 divisors (see below), whose sum is σ = 193283204232. Its totient is φ = 24939768256.

The previous prime is 74819304757. The next prime is 74819304823. The reversal of 74819304816 is 61840391847.

It is a congruent number.

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, 779367711 + ... + 779367806.

Almost surely, 2^74819304816 is an apocalyptic number.

It is an amenable number.

74819304816 is an abundant number, since it is smaller than the sum of its proper divisors (118463899416).

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

74819304816 is a wasteful number, since it uses less digits than its factorization.

74819304816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558735528 (or 1558735522 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 51.

The spelling of 74819304816 in words is "seventy-four billion, eight hundred nineteen million, three hundred four thousand, eight hundred sixteen".