76487715 has 12 divisors (see below), whose sum is σ = 132578784. Its totient is φ = 40793424.

The previous prime is 76487713. The next prime is 76487759. The reversal of 76487715 is 51778467.

It is not a de Polignac number, because 76487715 - 2¹ = 76487713 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 1699727 = 76487715 / (7 + 6 + 4 + 8 + 7 + 7 + 1 + 5).

It is not an unprimeable number, because it can be changed into a prime (76487713) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 849819 + ... + 849908.

It is an arithmetic number, because the mean of its divisors is an integer number (11048232).

Almost surely, 2^76487715 is an apocalyptic number.

76487715 is a deficient number, since it is larger than the sum of its proper divisors (56091069).

76487715 is a wasteful number, since it uses less digits than its factorization.

76487715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1699738 (or 1699735 counting only the distinct ones).

The product of its digits is 329280, while the sum is 45.

The square root of 76487715 is about 8745.7255273648. The cubic root of 76487715 is about 424.4865124925.

The spelling of 76487715 in words is "seventy-six million, four hundred eighty-seven thousand, seven hundred fifteen".