75731368 has 32 divisors (see below), whose sum is σ = 145454400. Its totient is φ = 36955008.

The previous prime is 75731363. The next prime is 75731377. The reversal of 75731368 is 86313757.

It is a self number, because there is not a number n which added to its sum of digits gives 75731368.

It is not an unprimeable number, because it can be changed into a prime (75731363) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59523 + ... + 60781.

It is an arithmetic number, because the mean of its divisors is an integer number (4545450).

Almost surely, 2^75731368 is an apocalyptic number.

It is an amenable number.

75731368 is a deficient number, since it is larger than the sum of its proper divisors (69723032).

75731368 is a wasteful number, since it uses less digits than its factorization.

75731368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1441 (or 1437 counting only the distinct ones).

The product of its digits is 105840, while the sum is 40.

The square root of 75731368 is about 8702.3771465043. The cubic root of 75731368 is about 423.0827000661.

It can be divided in two parts, 7 and 5731368, that added together give a palindrome (5731375).

The spelling of 75731368 in words is "seventy-five million, seven hundred thirty-one thousand, three hundred sixty-eight".