74091382500 has 60 divisors (see below), whose sum is σ = 216030735536. Its totient is φ = 19757700000.

The previous prime is 74091382499. The next prime is 74091382513. The reversal of 74091382500 is 528319047.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×74091382500² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4931926 + ... + 4946925.

Almost surely, 2^74091382500 is an apocalyptic number.

It is an amenable number.

74091382500 is an abundant number, since it is smaller than the sum of its proper divisors (141939353036).

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

74091382500 is a wasteful number, since it uses less digits than its factorization.

74091382500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9878878 (or 9878861 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The spelling of 74091382500 in words is "seventy-four billion, ninety-one million, three hundred eighty-two thousand, five hundred".