75213136 has 10 divisors (see below), whose sum is σ = 145725482. Its totient is φ = 37606560.

The previous prime is 75213133. The next prime is 75213143. The reversal of 75213136 is 63131257.

It can be written as a sum of positive squares in only one way, i.e., 52707600 + 22505536 = 7260^2 + 4744^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75213133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2350395 + ... + 2350426.

Almost surely, 2^75213136 is an apocalyptic number.

It is an amenable number.

75213136 is a deficient number, since it is larger than the sum of its proper divisors (70512346).

75213136 is a wasteful number, since it uses less digits than its factorization.

75213136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4700829 (or 4700823 counting only the distinct ones).

The product of its digits is 3780, while the sum is 28.

The square root of 75213136 is about 8672.5507205205. The cubic root of 75213136 is about 422.1154345306.

The spelling of 75213136 in words is "seventy-five million, two hundred thirteen thousand, one hundred thirty-six".