75157313 has 16 divisors (see below), whose sum is σ = 94314624. Its totient is φ = 58181760.

The previous prime is 75157309. The next prime is 75157319. The reversal of 75157313 is 31375157.

It is not a de Polignac number, because 75157313 - 2² = 75157309 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75157313.

It is not an unprimeable number, because it can be changed into a prime (75157319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8981 + ... + 15197.

It is an arithmetic number, because the mean of its divisors is an integer number (5894664).

Almost surely, 2^75157313 is an apocalyptic number.

It is an amenable number.

75157313 is a deficient number, since it is larger than the sum of its proper divisors (19157311).

75157313 is a wasteful number, since it uses less digits than its factorization.

75157313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392.

The product of its digits is 11025, while the sum is 32.

The square root of 75157313 is about 8669.3317504869. The cubic root of 75157313 is about 422.0109776799.

The spelling of 75157313 in words is "seventy-five million, one hundred fifty-seven thousand, three hundred thirteen".