23690072 has 32 divisors (see below), whose sum is σ = 51179520. Its totient is φ = 10069920.

The previous prime is 23690063. The next prime is 23690081. The reversal of 23690072 is 27009632.

It is an interprime number because it is at equal distance from previous prime (23690063) and next prime (23690081).

It is a super-2 number, since 2×23690072² = 1122439022730368, which contains 22 as substring.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5447 + ... + 8777.

It is an arithmetic number, because the mean of its divisors is an integer number (1599360).

Almost surely, 2^23690072 is an apocalyptic number.

It is an amenable number.

23690072 is an abundant number, since it is smaller than the sum of its proper divisors (27489448).

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

23690072 is a wasteful number, since it uses less digits than its factorization.

23690072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3467 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 29.

The square root of 23690072 is about 4867.2448058424. The cubic root of 23690072 is about 287.2028819578.

The spelling of 23690072 in words is "twenty-three million, six hundred ninety thousand, seventy-two".