24861872 has 40 divisors (see below), whose sum is σ = 56234496. Its totient is φ = 10426176.

The previous prime is 24861841. The next prime is 24861877. The reversal of 24861872 is 27816842.

It is a super-2 number, since 2×24861872² = 1236225358688768, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (24861877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2903 + ... + 7625.

Almost surely, 2^24861872 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 24861872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28117248).

24861872 is an abundant number, since it is smaller than the sum of its proper divisors (31372624).

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

24861872 is a wasteful number, since it uses less digits than its factorization.

24861872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4785 (or 4779 counting only the distinct ones).

The product of its digits is 43008, while the sum is 38.

The square root of 24861872 is about 4986.1680677651. The cubic root of 24861872 is about 291.8622606768.

The spelling of 24861872 in words is "twenty-four million, eight hundred sixty-one thousand, eight hundred seventy-two".