24787972 has 48 divisors (see below), whose sum is σ = 51770880. Its totient is φ = 10252800.

The previous prime is 24787957. The next prime is 24787981. The reversal of 24787972 is 27978742.

It is a super-2 number, since 2×24787972² = 1228887111745568, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22654 + ... + 23722.

It is an arithmetic number, because the mean of its divisors is an integer number (1078560).

Almost surely, 2^24787972 is an apocalyptic number.

24787972 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

24787972 is an abundant number, since it is smaller than the sum of its proper divisors (26982908).

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

24787972 is a wasteful number, since it uses less digits than its factorization.

24787972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1130 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The square root of 24787972 is about 4978.7520524726. The cubic root of 24787972 is about 291.5727943167.

It can be divided in two parts, 2478797 and 2, that multiplied together give a palindrome (4957594).

The spelling of 24787972 in words is "twenty-four million, seven hundred eighty-seven thousand, nine hundred seventy-two".