24975664 has 40 divisors (see below), whose sum is σ = 55666080. Its totient is φ = 10633728.

The previous prime is 24975661. The next prime is 24975673. The reversal of 24975664 is 46657942.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 24975664.

It is not an unprimeable number, because it can be changed into a prime (24975661) 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, 18732 + ... + 20020.

It is an arithmetic number, because the mean of its divisors is an integer number (1391652).

Almost surely, 2^24975664 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 24975664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27833040).

24975664 is an abundant number, since it is smaller than the sum of its proper divisors (30690416).

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

24975664 is a wasteful number, since it uses less digits than its factorization.

24975664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1471 counting only the distinct ones).

The product of its digits is 362880, while the sum is 43.

The square root of 24975664 is about 4997.5658074707. The cubic root of 24975664 is about 292.3068644909.

The spelling of 24975664 in words is "twenty-four million, nine hundred seventy-five thousand, six hundred sixty-four".