74528025 has 48 divisors (see below), whose sum is σ = 144782400. Its totient is φ = 33350400.

The previous prime is 74528021. The next prime is 74528039. The reversal of 74528025 is 52082547.

It is not a de Polignac number, because 74528025 - 2² = 74528021 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (74528021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7251 + ... + 14199.

It is an arithmetic number, because the mean of its divisors is an integer number (3016300).

Almost surely, 2^74528025 is an apocalyptic number.

74528025 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74528025 is a deficient number, since it is larger than the sum of its proper divisors (70254375).

74528025 is a wasteful number, since it uses less digits than its factorization.

74528025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6986 (or 6981 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 74528025 is about 8632.9615428311. The cubic root of 74528025 is about 420.8298502037.

The spelling of 74528025 in words is "seventy-four million, five hundred twenty-eight thousand, twenty-five".