76513013 has 4 divisors (see below), whose sum is σ = 76940640. Its totient is φ = 76085388.

The previous prime is 76513007. The next prime is 76513037. The reversal of 76513013 is 31031567.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 76513013 - 2¹² = 76508917 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 (76519013) 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, 213545 + ... + 213902.

It is an arithmetic number, because the mean of its divisors is an integer number (19235160).

Almost surely, 2^76513013 is an apocalyptic number.

It is an amenable number.

76513013 is a deficient number, since it is larger than the sum of its proper divisors (427627).

76513013 is a wasteful number, since it uses less digits than its factorization.

76513013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427626.

The product of its (nonzero) digits is 1890, while the sum is 26.

The square root of 76513013 is about 8747.1717143314. The cubic root of 76513013 is about 424.5333063952.

The spelling of 76513013 in words is "seventy-six million, five hundred thirteen thousand, thirteen".