24978492 has 72 divisors (see below), whose sum is σ = 78728832. Its totient is φ = 6487200.

The previous prime is 24978469. The next prime is 24978493. The reversal of 24978492 is 29487942.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24978493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1734 + ... + 7277.

It is an arithmetic number, because the mean of its divisors is an integer number (1093456).

Almost surely, 2^24978492 is an apocalyptic number.

24978492 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

24978492 is an abundant number, since it is smaller than the sum of its proper divisors (53750340).

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

24978492 is a wasteful number, since it uses less digits than its factorization.

24978492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9039 (or 9034 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 24978492 is about 4997.8487372068. The cubic root of 24978492 is about 292.3178967316.

The spelling of 24978492 in words is "twenty-four million, nine hundred seventy-eight thousand, four hundred ninety-two".