74325136 has 20 divisors (see below), whose sum is σ = 144630252. Its totient is φ = 37001216.

The previous prime is 74325091. The next prime is 74325137. The reversal of 74325136 is 63152347.

It can be written as a sum of positive squares in 2 ways, for example, as 14107536 + 60217600 = 3756^2 + 7760^2 .

It is a junction number, because it is equal to n+sod(n) for n = 74325098 and 74325107.

It is not an unprimeable number, because it can be changed into a prime (74325137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6241 + ... + 13696.

Almost surely, 2^74325136 is an apocalyptic number.

It is an amenable number.

74325136 is a deficient number, since it is larger than the sum of its proper divisors (70305116).

74325136 is a wasteful number, since it uses less digits than its factorization.

74325136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20178 (or 20172 counting only the distinct ones).

The product of its digits is 15120, while the sum is 31.

The square root of 74325136 is about 8621.2027003197. The cubic root of 74325136 is about 420.4476255590.

The spelling of 74325136 in words is "seventy-four million, three hundred twenty-five thousand, one hundred thirty-six".