76507613 has 8 divisors (see below), whose sum is σ = 94163328. Its totient is φ = 60533424.

The previous prime is 76507609. The next prime is 76507631. The reversal of 76507613 is 31670567.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76507613 - 2² = 76507609 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76504613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 420281 + ... + 420462.

It is an arithmetic number, because the mean of its divisors is an integer number (11770416).

Almost surely, 2^76507613 is an apocalyptic number.

It is an amenable number.

76507613 is a deficient number, since it is larger than the sum of its proper divisors (17655715).

76507613 is a wasteful number, since it uses less digits than its factorization.

76507613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840763.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 76507613 is about 8746.8630376839. The cubic root of 76507613 is about 424.5233188402.

The spelling of 76507613 in words is "seventy-six million, five hundred seven thousand, six hundred thirteen".