23720732 has 12 divisors (see below), whose sum is σ = 47441520. Its totient is φ = 10166016.

The previous prime is 23720713. The next prime is 23720761. The reversal of 23720732 is 23702732.

23720732 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 423557 + ... + 423612.

It is an arithmetic number, because the mean of its divisors is an integer number (3953460).

Almost surely, 2^23720732 is an apocalyptic number.

It is an amenable number.

23720732 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

23720732 is a wasteful number, since it uses less digits than its factorization.

23720732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 847180 (or 847178 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 23720732 is about 4870.3934132676. The cubic root of 23720732 is about 287.3267291162.

The spelling of 23720732 in words is "twenty-three million, seven hundred twenty thousand, seven hundred thirty-two".