24740725 has 6 divisors (see below), whose sum is σ = 30678530. Its totient is φ = 19792560.

The previous prime is 24740719. The next prime is 24740747. The reversal of 24740725 is 52704742.

It can be written as a sum of positive squares in 3 ways, for example, as 49 + 24740676 = 7^2 + 4974^2 .

It is not a de Polignac number, because 24740725 - 2⁹ = 24740213 is a prime.

It is a super-2 number, since 2×24740725² = 1224206947051250, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 494790 + ... + 494839.

Almost surely, 2^24740725 is an apocalyptic number.

24740725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24740725 is a deficient number, since it is larger than the sum of its proper divisors (5937805).

24740725 is an equidigital number, since it uses as much as digits as its factorization.

24740725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 989639 (or 989634 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 24740725 is about 4974.0049256107. The cubic root of 24740725 is about 291.3874261656.

The spelling of 24740725 in words is "twenty-four million, seven hundred forty thousand, seven hundred twenty-five".