23712725 has 12 divisors (see below), whose sum is σ = 29464260. Its totient is φ = 18931200.

The previous prime is 23712709. The next prime is 23712743. The reversal of 23712725 is 52721732.

It can be written as a sum of positive squares in 6 ways, for example, as 4008004 + 19704721 = 2002^2 + 4439^2 .

It is not a de Polignac number, because 23712725 - 2⁴ = 23712709 is a prime.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

Its product of digits (5880) is a multiple of the sum of its prime factors (1960).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22715 + ... + 23735.

It is an arithmetic number, because the mean of its divisors is an integer number (2455355).

Almost surely, 2^23712725 is an apocalyptic number.

23712725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23712725 is a deficient number, since it is larger than the sum of its proper divisors (5751535).

23712725 is a wasteful number, since it uses less digits than its factorization.

23712725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1960 (or 1955 counting only the distinct ones).

The product of its digits is 5880, while the sum is 29.

The square root of 23712725 is about 4869.5713363704. The cubic root of 23712725 is about 287.2943961619.

The spelling of 23712725 in words is "twenty-three million, seven hundred twelve thousand, seven hundred twenty-five".