74888398160 has 40 divisors (see below), whose sum is σ = 183279504480. Its totient is φ = 28378760832.

The previous prime is 74888398139. The next prime is 74888398171. The reversal of 74888398160 is 6189388847.

It is a tau number, because it is divible by the number of its divisors (40).

It is a junction number, because it is equal to n+sod(n) for n = 74888398093 and 74888398102.

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, 24632822 + ... + 24635861.

It is an arithmetic number, because the mean of its divisors is an integer number (4581987612).

Almost surely, 2^74888398160 is an apocalyptic number.

It is an amenable number.

74888398160 is an abundant number, since it is smaller than the sum of its proper divisors (108391106320).

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

74888398160 is a wasteful number, since it uses less digits than its factorization.

74888398160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49268715 (or 49268709 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 74888398160 in words is "seventy-four billion, eight hundred eighty-eight million, three hundred ninety-eight thousand, one hundred sixty".