23752890738 has 64 divisors (see below), whose sum is σ = 53960670720. Its totient is φ = 7741495296.

The previous prime is 23752890727. The next prime is 23752890743. The reversal of 23752890738 is 83709825732.

23752890738 is a `hidden beast` number, since 23 + 7 + 528 + 90 + 7 + 3 + 8 = 666.

It is a super-2 number, since 2×23752890738² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 31 ways as a sum of consecutive naturals, for example, 2922256 + ... + 2930372.

It is an arithmetic number, because the mean of its divisors is an integer number (843135480).

Almost surely, 2^23752890738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23752890738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26980335360).

23752890738 is an abundant number, since it is smaller than the sum of its proper divisors (30207779982).

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

23752890738 is a wasteful number, since it uses less digits than its factorization.

23752890738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9328 (or 9322 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 54.

The spelling of 23752890738 in words is "twenty-three billion, seven hundred fifty-two million, eight hundred ninety thousand, seven hundred thirty-eight".