74136825404 has 24 divisors (see below), whose sum is σ = 129921382080. Its totient is φ = 37016469504.

The previous prime is 74136825391. The next prime is 74136825443. The reversal of 74136825404 is 40452863147.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12693917 + ... + 12699755.

It is an arithmetic number, because the mean of its divisors is an integer number (5413390920).

Almost surely, 2^74136825404 is an apocalyptic number.

It is an amenable number.

74136825404 is a deficient number, since it is larger than the sum of its proper divisors (55784556676).

74136825404 is a wasteful number, since it uses less digits than its factorization.

74136825404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9749 (or 9747 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 44.

The spelling of 74136825404 in words is "seventy-four billion, one hundred thirty-six million, eight hundred twenty-five thousand, four hundred four".