76442915 has 16 divisors (see below), whose sum is σ = 97763328. Its totient is φ = 57246816.

The previous prime is 76442881. The next prime is 76442923. The reversal of 76442915 is 51924467.

It is not a de Polignac number, because 76442915 - 2¹⁸ = 76180771 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1667 + ... + 12476.

It is an arithmetic number, because the mean of its divisors is an integer number (6110208).

Almost surely, 2^76442915 is an apocalyptic number.

76442915 is a deficient number, since it is larger than the sum of its proper divisors (21320413).

76442915 is a wasteful number, since it uses less digits than its factorization.

76442915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14218.

The product of its digits is 60480, while the sum is 38.

The square root of 76442915 is about 8743.1639010143. The cubic root of 76442915 is about 424.4036202711.

The spelling of 76442915 in words is "seventy-six million, four hundred forty-two thousand, nine hundred fifteen".