76000013 has 4 divisors (see below), whose sum is σ = 80470620. Its totient is φ = 71529408.

The previous prime is 75999997. The next prime is 76000021. The reversal of 76000013 is 31000067.

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 60016009 + 15984004 = 7747^2 + 3998^2 .

It is a cyclic number.

It is not a de Polignac number, because 76000013 - 2⁴ = 75999997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 4470589 = 76000013 / (7 + 6 + 0 + 0 + 0 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75999955 and 76000000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76000063) 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 3 ways as a sum of consecutive naturals, for example, 2235278 + ... + 2235311.

It is an arithmetic number, because the mean of its divisors is an integer number (20117655).

Almost surely, 2^76000013 is an apocalyptic number.

It is an amenable number.

76000013 is a deficient number, since it is larger than the sum of its proper divisors (4470607).

76000013 is a wasteful number, since it uses less digits than its factorization.

76000013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470606.

The product of its (nonzero) digits is 126, while the sum is 17.

The square root of 76000013 is about 8717.7986326825. The cubic root of 76000013 is about 423.5823825771.

The spelling of 76000013 in words is "seventy-six million, thirteen", and thus it is an aban number and an uban number.