23756740 has 24 divisors (see below), whose sum is σ = 57016512. Its totient is φ = 8145120.

The previous prime is 23756737. The next prime is 23756741. The reversal of 23756740 is 4765732.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 23756696 and 23756705.

It is not an unprimeable number, because it can be changed into a prime (23756741) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 84706 + ... + 84985.

It is an arithmetic number, because the mean of its divisors is an integer number (2375688).

Almost surely, 2^23756740 is an apocalyptic number.

23756740 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23756740 is an abundant number, since it is smaller than the sum of its proper divisors (33259772).

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

23756740 is a wasteful number, since it uses less digits than its factorization.

23756740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169707 (or 169705 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 34.

The square root of 23756740 is about 4874.0886327600. The cubic root of 23756740 is about 287.4720426501.

The spelling of 23756740 in words is "twenty-three million, seven hundred fifty-six thousand, seven hundred forty".