23714640 has 80 divisors (see below), whose sum is σ = 81691200. Its totient is φ = 6323328.

The previous prime is 23714627. The next prime is 23714681. The reversal of 23714640 is 4641732.

23714640 is a `hidden beast` number, since 2 + 3 + 7 + 14 + 640 = 666.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 3330 + ... + 7649.

It is an arithmetic number, because the mean of its divisors is an integer number (1021140).

Almost surely, 2^23714640 is an apocalyptic number.

23714640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23714640 is an abundant number, since it is smaller than the sum of its proper divisors (57976560).

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

23714640 is a wasteful number, since it uses less digits than its factorization.

23714640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11001 (or 10989 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 23714640 is about 4869.7679616179. The cubic root of 23714640 is about 287.3021297587.

The spelling of 23714640 in words is "twenty-three million, seven hundred fourteen thousand, six hundred forty".