75485313 has 12 divisors (see below), whose sum is σ = 109118308. Its totient is φ = 50284800.

The previous prime is 75485299. The next prime is 75485317. The reversal of 75485313 is 31358457.

It can be written as a sum of positive squares in 2 ways, for example, as 9437184 + 66048129 = 3072^2 + 8127^2 .

It is not a de Polignac number, because 75485313 - 2⁵ = 75485281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75485317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13881 + ... + 18537.

Almost surely, 2^75485313 is an apocalyptic number.

It is an amenable number.

75485313 is a deficient number, since it is larger than the sum of its proper divisors (33632995).

75485313 is a wasteful number, since it uses less digits than its factorization.

75485313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6464 (or 6461 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 75485313 is about 8688.2284155057. The cubic root of 75485313 is about 422.6239973108.

The spelling of 75485313 in words is "seventy-five million, four hundred eighty-five thousand, three hundred thirteen".