74530125 has 80 divisors (see below), whose sum is σ = 147459312. Its totient is φ = 37324800.

The previous prime is 74530123. The next prime is 74530139. The reversal of 74530125 is 52103547.

It is a happy number.

74530125 is a `hidden beast` number, since 7 + 4 + 530 + 125 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 29452329 + 45077796 = 5427^2 + 6714^2 .

It is not a de Polignac number, because 74530125 - 2¹ = 74530123 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74530121) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 171909 + ... + 172341.

Almost surely, 2^74530125 is an apocalyptic number.

74530125 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

74530125 is a deficient number, since it is larger than the sum of its proper divisors (72929187).

74530125 is a wasteful number, since it uses less digits than its factorization.

74530125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 74530125 is about 8633.0831688337. The cubic root of 74530125 is about 420.8338027857.

The spelling of 74530125 in words is "seventy-four million, five hundred thirty thousand, one hundred twenty-five".