75170313 has 6 divisors (see below), whose sum is σ = 108579354. Its totient is φ = 50113536.

The previous prime is 75170299. The next prime is 75170357. The reversal of 75170313 is 31307157.

It can be written as a sum of positive squares in only one way, i.e., 44997264 + 30173049 = 6708^2 + 5493^2 .

It is not a de Polignac number, because 75170313 - 2⁵ = 75170281 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75170713) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4176120 + ... + 4176137.

It is an arithmetic number, because the mean of its divisors is an integer number (18096559).

Almost surely, 2^75170313 is an apocalyptic number.

It is an amenable number.

75170313 is a deficient number, since it is larger than the sum of its proper divisors (33409041).

75170313 is a wasteful number, since it uses less digits than its factorization.

75170313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8352263 (or 8352260 counting only the distinct ones).

The product of its (nonzero) digits is 2205, while the sum is 27.

The square root of 75170313 is about 8670.0814875063. The cubic root of 75170313 is about 422.0353080975.

The spelling of 75170313 in words is "seventy-five million, one hundred seventy thousand, three hundred thirteen".