23748736 has 64 divisors (see below), whose sum is σ = 52436160. Its totient is φ = 10624000.

The previous prime is 23748733. The next prime is 23748737. The reversal of 23748736 is 63784732.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (23748731) 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, 142125 + ... + 142291.

It is an arithmetic number, because the mean of its divisors is an integer number (819315).

Almost surely, 2^23748736 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23748736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26218080).

23748736 is an abundant number, since it is smaller than the sum of its proper divisors (28687424).

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

23748736 is a wasteful number, since it uses less digits than its factorization.

23748736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 293 (or 281 counting only the distinct ones).

The product of its digits is 169344, while the sum is 40.

The square root of 23748736 is about 4873.2674870153. The cubic root of 23748736 is about 287.4397544842.

The spelling of 23748736 in words is "twenty-three million, seven hundred forty-eight thousand, seven hundred thirty-six".