24745725 has 36 divisors (see below), whose sum is σ = 44773300. Its totient is φ = 13063680.

The previous prime is 24745697. The next prime is 24745739. The reversal of 24745725 is 52754742.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 480249 + 24265476 = 693^2 + 4926^2 .

It is not a de Polignac number, because 24745725 - 2⁶ = 24745661 is a prime.

It is a super-2 number, since 2×24745725² = 1224701811551250, which contains 22 as substring.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 24745725.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 24021 + ... + 25029.

Almost surely, 2^24745725 is an apocalyptic number.

24745725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

24745725 is a deficient number, since it is larger than the sum of its proper divisors (20027575).

24745725 is a wasteful number, since it uses less digits than its factorization.

24745725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1134 (or 1126 counting only the distinct ones).

The product of its digits is 78400, while the sum is 36.

The square root of 24745725 is about 4974.5075133122. The cubic root of 24745725 is about 291.4070542484.

The spelling of 24745725 in words is "twenty-four million, seven hundred forty-five thousand, seven hundred twenty-five".