76630013 has 4 divisors (see below), whose sum is σ = 77388828. Its totient is φ = 75871200.

The previous prime is 76630007. The next prime is 76630031. The reversal of 76630013 is 31003667.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49308484 + 27321529 = 7022^2 + 5227^2 .

It is not a de Polignac number, because 76630013 - 2⁸ = 76629757 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76630003) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 379256 + ... + 379457.

It is an arithmetic number, because the mean of its divisors is an integer number (19347207).

Almost surely, 2^76630013 is an apocalyptic number.

It is an amenable number.

76630013 is a deficient number, since it is larger than the sum of its proper divisors (758815).

76630013 is a wasteful number, since it uses less digits than its factorization.

76630013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 758814.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 76630013 is about 8753.8570356158. The cubic root of 76630013 is about 424.7495881253.

The spelling of 76630013 in words is "seventy-six million, six hundred thirty thousand, thirteen".