23976720 has 60 divisors (see below), whose sum is σ = 80524236. Its totient is φ = 6393600.

The previous prime is 23976709. The next prime is 23976731. The reversal of 23976720 is 2767932.

It is an interprime number because it is at equal distance from previous prime (23976709) and next prime (23976731).

It can be written as a sum of positive squares in 2 ways, for example, as 12362256 + 11614464 = 3516^2 + 3408^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15931 + ... + 17370.

Almost surely, 2^23976720 is an apocalyptic number.

23976720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23976720 is an abundant number, since it is smaller than the sum of its proper divisors (56547516).

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

23976720 is a wasteful number, since it uses less digits than its factorization.

23976720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33320 (or 33311 counting only the distinct ones).

The product of its (nonzero) digits is 31752, while the sum is 36.

The square root of 23976720 is about 4896.6029040550. The cubic root of 23976720 is about 288.3566184172.

The spelling of 23976720 in words is "twenty-three million, nine hundred seventy-six thousand, seven hundred twenty".