23779972 has 6 divisors (see below), whose sum is σ = 41614958. Its totient is φ = 11889984.

The previous prime is 23779967. The next prime is 23779997. The reversal of 23779972 is 27997732.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 18096516 + 5683456 = 4254^2 + 2384^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2972493 + ... + 2972500.

Almost surely, 2^23779972 is an apocalyptic number.

It is an amenable number.

23779972 is a deficient number, since it is larger than the sum of its proper divisors (17834986).

23779972 is a wasteful number, since it uses less digits than its factorization.

23779972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944997 (or 5944995 counting only the distinct ones).

The product of its digits is 333396, while the sum is 46.

The square root of 23779972 is about 4876.4712651671. The cubic root of 23779972 is about 287.5657195696.

The spelling of 23779972 in words is "twenty-three million, seven hundred seventy-nine thousand, nine hundred seventy-two".