23739972 has 48 divisors (see below), whose sum is σ = 57032640. Its totient is φ = 7682688.

The previous prime is 23739971. The next prime is 23739997. The reversal of 23739972 is 27993732.

It is not an unprimeable number, because it can be changed into a prime (23739971) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 103554 + ... + 103782.

It is an arithmetic number, because the mean of its divisors is an integer number (1188180).

Almost surely, 2^23739972 is an apocalyptic number.

It is an amenable number.

23739972 is an abundant number, since it is smaller than the sum of its proper divisors (33292668).

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

23739972 is a wasteful number, since it uses less digits than its factorization.

23739972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 452 (or 450 counting only the distinct ones).

The product of its digits is 142884, while the sum is 42.

The square root of 23739972 is about 4872.3682126867. The cubic root of 23739972 is about 287.4043921538.

The spelling of 23739972 in words is "twenty-three million, seven hundred thirty-nine thousand, nine hundred seventy-two".