76561315 has 8 divisors (see below), whose sum is σ = 92597760. Its totient is φ = 60766272.

The previous prime is 76561313. The next prime is 76561327. The reversal of 76561315 is 51316567.

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

It is a cyclic number.

It is not a de Polignac number, because 76561315 - 2¹ = 76561313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76561313) 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, 59650 + ... + 60919.

It is an arithmetic number, because the mean of its divisors is an integer number (11574720).

Almost surely, 2^76561315 is an apocalyptic number.

76561315 is a deficient number, since it is larger than the sum of its proper divisors (16036445).

76561315 is a wasteful number, since it uses less digits than its factorization.

76561315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120701.

The product of its digits is 18900, while the sum is 34.

The square root of 76561315 is about 8749.9322854523. The cubic root of 76561315 is about 424.6226223317.

The spelling of 76561315 in words is "seventy-six million, five hundred sixty-one thousand, three hundred fifteen".