74999031900 has 144 divisors (see below), whose sum is σ = 233826888288. Its totient is φ = 18450432000.

The previous prime is 74999031883. The next prime is 74999031929. The reversal of 74999031900 is 913099947.

It is a super-2 number, since 2×74999031900² (a number of 23 digits) contains 22 as substring.

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 47 ways as a sum of consecutive naturals, for example, 8111280 + ... + 8120520.

Almost surely, 2^74999031900 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74999031900, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116913444144).

74999031900 is an abundant number, since it is smaller than the sum of its proper divisors (158827856388).

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

74999031900 is a wasteful number, since it uses less digits than its factorization.

74999031900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11352 (or 11345 counting only the distinct ones).

The product of its (nonzero) digits is 551124, while the sum is 51.

The spelling of 74999031900 in words is "seventy-four billion, nine hundred ninety-nine million, thirty-one thousand, nine hundred".