75305136 has 40 divisors (see below), whose sum is σ = 194987520. Its totient is φ = 25043776.

The previous prime is 75305129. The next prime is 75305173. The reversal of 75305136 is 63150357.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 22585 + ... + 25703.

It is an arithmetic number, because the mean of its divisors is an integer number (4874688).

Almost surely, 2^75305136 is an apocalyptic number.

It is an amenable number.

75305136 is an abundant number, since it is smaller than the sum of its proper divisors (119682384).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75305136 is a wasteful number, since it uses less digits than its factorization.

75305136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3633 (or 3627 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 30.

The square root of 75305136 is about 8677.8531907379. The cubic root of 75305136 is about 422.2874736129.

The spelling of 75305136 in words is "seventy-five million, three hundred five thousand, one hundred thirty-six".