24786972 has 72 divisors (see below), whose sum is σ = 74279296. Its totient is φ = 7080048.

The previous prime is 24786953. The next prime is 24786977. The reversal of 24786972 is 27968742.

It is a super-2 number, since 2×24786972² = 1228787961857568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24786977) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4983 + ... + 8625.

Almost surely, 2^24786972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24786972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37139648).

24786972 is an abundant number, since it is smaller than the sum of its proper divisors (49492324).

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

24786972 is a wasteful number, since it uses less digits than its factorization.

24786972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3669 (or 3655 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 24786972 is about 4978.6516246872. The cubic root of 24786972 is about 291.5688733732.

The spelling of 24786972 in words is "twenty-four million, seven hundred eighty-six thousand, nine hundred seventy-two".