74534313902 has 32 divisors (see below), whose sum is σ = 121066721280. Its totient is φ = 34280421760.

The previous prime is 74534313901. The next prime is 74534314007. The reversal of 74534313902 is 20931343547.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74534313902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74534313901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1116527 + ... + 1181397.

It is an arithmetic number, because the mean of its divisors is an integer number (3783335040).

Almost surely, 2^74534313902 is an apocalyptic number.

74534313902 is a deficient number, since it is larger than the sum of its proper divisors (46532407378).

74534313902 is a wasteful number, since it uses less digits than its factorization.

74534313902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65656.

The product of its (nonzero) digits is 272160, while the sum is 41.

The spelling of 74534313902 in words is "seventy-four billion, five hundred thirty-four million, three hundred thirteen thousand, nine hundred two".