75324136 has 16 divisors (see below), whose sum is σ = 146103300. Its totient is φ = 36363264.

The previous prime is 75324131. The next prime is 75324143. The reversal of 75324136 is 63142357.

It can be written as a sum of positive squares in 2 ways, for example, as 75168900 + 155236 = 8670^2 + 394^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75324098 and 75324107.

It is not an unprimeable number, because it can be changed into a prime (75324131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162105 + ... + 162568.

Almost surely, 2^75324136 is an apocalyptic number.

It is an amenable number.

75324136 is a deficient number, since it is larger than the sum of its proper divisors (70779164).

75324136 is a wasteful number, since it uses less digits than its factorization.

75324136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324708 (or 324704 counting only the distinct ones).

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

The square root of 75324136 is about 8678.9478625004. The cubic root of 75324136 is about 422.3229859641.

The spelling of 75324136 in words is "seventy-five million, three hundred twenty-four thousand, one hundred thirty-six".