75430313 has 4 divisors (see below), whose sum is σ = 86206080. Its totient is φ = 64654548.

The previous prime is 75430301. The next prime is 75430319. The reversal of 75430313 is 31303457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31303457 = 47 ⋅666031.

It is not a de Polignac number, because 75430313 - 2¹² = 75426217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75430319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5387873 + ... + 5387886.

It is an arithmetic number, because the mean of its divisors is an integer number (21551520).

Almost surely, 2^75430313 is an apocalyptic number.

It is an amenable number.

75430313 is a deficient number, since it is larger than the sum of its proper divisors (10775767).

75430313 is a wasteful number, since it uses less digits than its factorization.

75430313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10775766.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 75430313 is about 8685.0626365041. The cubic root of 75430313 is about 422.5213284752.

The spelling of 75430313 in words is "seventy-five million, four hundred thirty thousand, three hundred thirteen".