24989712 has 160 divisors (see below), whose sum is σ = 77137920. Its totient is φ = 6888960.

The previous prime is 24989683. The next prime is 24989717. The reversal of 24989712 is 21798942.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (24989717) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 471478 + ... + 471530.

It is an arithmetic number, because the mean of its divisors is an integer number (482112).

Almost surely, 2^24989712 is an apocalyptic number.

24989712 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 24989712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

24989712 is an abundant number, since it is smaller than the sum of its proper divisors (52148208).

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

24989712 is a wasteful number, since it uses less digits than its factorization.

24989712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141 (or 135 counting only the distinct ones).

The product of its digits is 72576, while the sum is 42.

The square root of 24989712 is about 4998.9710941353. The cubic root of 24989712 is about 292.3616585921.

The spelling of 24989712 in words is "twenty-four million, nine hundred eighty-nine thousand, seven hundred twelve".