74631365894 has 32 divisors (see below), whose sum is σ = 121995002880. Its totient is φ = 34125509952.

The previous prime is 74631365863. The next prime is 74631365909. The reversal of 74631365894 is 49856313647.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 155834 + ... + 416589.

It is an arithmetic number, because the mean of its divisors is an integer number (3812343840).

Almost surely, 2^74631365894 is an apocalyptic number.

74631365894 is a deficient number, since it is larger than the sum of its proper divisors (47363636986).

74631365894 is a wasteful number, since it uses less digits than its factorization.

74631365894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572564.

The product of its digits is 13063680, while the sum is 56.

The spelling of 74631365894 in words is "seventy-four billion, six hundred thirty-one million, three hundred sixty-five thousand, eight hundred ninety-four".