24217972 has 12 divisors (see below), whose sum is σ = 43283520. Its totient is φ = 11851256.

The previous prime is 24217961. The next prime is 24217993. The reversal of 24217972 is 27971242.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64222 + ... + 64597.

It is an arithmetic number, because the mean of its divisors is an integer number (3606960).

Almost surely, 2^24217972 is an apocalyptic number.

It is an amenable number.

24217972 is a deficient number, since it is larger than the sum of its proper divisors (19065548).

24217972 is a wasteful number, since it uses less digits than its factorization.

24217972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128870 (or 128868 counting only the distinct ones).

The product of its digits is 14112, while the sum is 34.

The square root of 24217972 is about 4921.1758757435. The cubic root of 24217972 is about 289.3205337176.

The spelling of 24217972 in words is "twenty-four million, two hundred seventeen thousand, nine hundred seventy-two".