23738720 has 24 divisors (see below), whose sum is σ = 56083104. Its totient is φ = 9495424.

The previous prime is 23738717. The next prime is 23738773. The reversal of 23738720 is 2783732.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

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 3 ways as a sum of consecutive naturals, for example, 74024 + ... + 74343.

It is an arithmetic number, because the mean of its divisors is an integer number (2336796).

Almost surely, 2^23738720 is an apocalyptic number.

23738720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23738720 is an abundant number, since it is smaller than the sum of its proper divisors (32344384).

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

23738720 is a wasteful number, since it uses less digits than its factorization.

23738720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148382 (or 148374 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 23738720 is about 4872.2397313761. The cubic root of 23738720 is about 287.3993396819.

The spelling of 23738720 in words is "twenty-three million, seven hundred thirty-eight thousand, seven hundred twenty".