23660725 has 24 divisors (see below), whose sum is σ = 32372928. Its totient is φ = 17011200.

The previous prime is 23660699. The next prime is 23660743. The reversal of 23660725 is 52706632.

It is not a de Polignac number, because 23660725 - 2⁷ = 23660597 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26232 + ... + 27118.

It is an arithmetic number, because the mean of its divisors is an integer number (1348872).

Almost surely, 2^23660725 is an apocalyptic number.

23660725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

23660725 is a deficient number, since it is larger than the sum of its proper divisors (8712203).

23660725 is a wasteful number, since it uses less digits than its factorization.

23660725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005 (or 1000 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 23660725 is about 4864.2291270046. The cubic root of 23660725 is about 287.0842383650.

It can be divided in two parts, 236607 and 25, that added together give a palindrome (236632).

The spelling of 23660725 in words is "twenty-three million, six hundred sixty thousand, seven hundred twenty-five".