75831312 has 20 divisors (see below), whose sum is σ = 195897680. Its totient is φ = 25277088.

The previous prime is 75831307. The next prime is 75831341. The reversal of 75831312 is 21313857.

It is a self number, because there is not a number n which added to its sum of digits gives 75831312.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789862 + ... + 789957.

It is an arithmetic number, because the mean of its divisors is an integer number (9794884).

Almost surely, 2^75831312 is an apocalyptic number.

It is an amenable number.

75831312 is an abundant number, since it is smaller than the sum of its proper divisors (120066368).

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

75831312 is a wasteful number, since it uses less digits than its factorization.

75831312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579830 (or 1579824 counting only the distinct ones).

The product of its digits is 5040, while the sum is 30.

The square root of 75831312 is about 8708.1175922239. The cubic root of 75831312 is about 423.2687347784.

The spelling of 75831312 in words is "seventy-five million, eight hundred thirty-one thousand, three hundred twelve".