74885025 has 24 divisors (see below), whose sum is σ = 126152640. Its totient is φ = 39183040.

The previous prime is 74885021. The next prime is 74885039. The reversal of 74885025 is 52058847.

It is not a de Polignac number, because 74885025 - 2² = 74885021 is a prime.

It is not an unprimeable number, because it can be changed into a prime (74885021) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5445 + ... + 13394.

It is an arithmetic number, because the mean of its divisors is an integer number (5256360).

Almost surely, 2^74885025 is an apocalyptic number.

74885025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74885025 is a deficient number, since it is larger than the sum of its proper divisors (51267615).

74885025 is a wasteful number, since it uses less digits than its factorization.

74885025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18905 (or 18900 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 74885025 is about 8653.6134071265. The cubic root of 74885025 is about 421.5007253920.

The spelling of 74885025 in words is "seventy-four million, eight hundred eighty-five thousand, twenty-five".