74989718902 has 16 divisors (see below), whose sum is σ = 128942191872. Its totient is φ = 32041353960.

The previous prime is 74989718873. The next prime is 74989718977. The reversal of 74989718902 is 20981798947.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8086618 + ... + 8095885.

It is an arithmetic number, because the mean of its divisors is an integer number (8058886992).

Almost surely, 2^74989718902 is an apocalyptic number.

74989718902 is a deficient number, since it is larger than the sum of its proper divisors (53952472970).

74989718902 is a wasteful number, since it uses less digits than its factorization.

74989718902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16182843.

The product of its (nonzero) digits is 18289152, while the sum is 64.

The spelling of 74989718902 in words is "seventy-four billion, nine hundred eighty-nine million, seven hundred eighteen thousand, nine hundred two".