24987872 has 48 divisors (see below), whose sum is σ = 60554592. Its totient is φ = 9884160.

The previous prime is 24987871. The next prime is 24987881. The reversal of 24987872 is 27878942.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24987871) 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, 1379 + ... + 7202.

It is an arithmetic number, because the mean of its divisors is an integer number (1261554).

Almost surely, 2^24987872 is an apocalyptic number.

It is an amenable number.

24987872 is an abundant number, since it is smaller than the sum of its proper divisors (35566720).

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

24987872 is a wasteful number, since it uses less digits than its factorization.

24987872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8611 (or 8603 counting only the distinct ones).

The product of its digits is 451584, while the sum is 47.

The square root of 24987872 is about 4998.7870528759. The cubic root of 24987872 is about 292.3544828570.

The spelling of 24987872 in words is "twenty-four million, nine hundred eighty-seven thousand, eight hundred seventy-two".