23994072 has 48 divisors (see below), whose sum is σ = 68810040. Its totient is φ = 7527168.

The previous prime is 23994071. The next prime is 23994079. The reversal of 23994072 is 27049932.

It is a super-2 number, since 2×23994072² = 1151430982282368, which contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23994071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8578 + ... + 11025.

Almost surely, 2^23994072 is an apocalyptic number.

It is an amenable number.

23994072 is an abundant number, since it is smaller than the sum of its proper divisors (44815968).

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

23994072 is a wasteful number, since it uses less digits than its factorization.

23994072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19632 (or 19625 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 23994072 is about 4898.3744242350. The cubic root of 23994072 is about 288.4261630630.

The spelling of 23994072 in words is "twenty-three million, nine hundred ninety-four thousand, seventy-two".