23751072 has 36 divisors (see below), whose sum is σ = 67542930. Its totient is φ = 7916928.

The previous prime is 23751043. The next prime is 23751073. The reversal of 23751072 is 27015732.

It can be written as a sum of positive squares in only one way, i.e., 12702096 + 11048976 = 3564^2 + 3324^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×23751072² = 1128226842298368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (23751073) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 40947 + ... + 41522.

Almost surely, 2^23751072 is an apocalyptic number.

It is an amenable number.

23751072 is an abundant number, since it is smaller than the sum of its proper divisors (43791858).

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

23751072 is a wasteful number, since it uses less digits than its factorization.

23751072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82485 (or 82474 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 23751072 is about 4873.5071560428. The cubic root of 23751072 is about 287.4491786665.

The spelling of 23751072 in words is "twenty-three million, seven hundred fifty-one thousand, seventy-two".