76247313 has 4 divisors (see below), whose sum is σ = 101663088. Its totient is φ = 50831540.

The previous prime is 76247291. The next prime is 76247317. The reversal of 76247313 is 31374267.

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: 31374267 = 3 ⋅10458089.

It is a cyclic number.

It is not a de Polignac number, because 76247313 - 2²⁰ = 75198737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76247317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12707883 + ... + 12707888.

It is an arithmetic number, because the mean of its divisors is an integer number (25415772).

Almost surely, 2^76247313 is an apocalyptic number.

It is an amenable number.

76247313 is a deficient number, since it is larger than the sum of its proper divisors (25415775).

76247313 is a wasteful number, since it uses less digits than its factorization.

76247313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25415774.

The product of its digits is 21168, while the sum is 33.

The square root of 76247313 is about 8731.9707397586. The cubic root of 76247313 is about 424.0413233280.

The spelling of 76247313 in words is "seventy-six million, two hundred forty-seven thousand, three hundred thirteen".