76442115 has 32 divisors (see below), whose sum is σ = 133980480. Its totient is φ = 37044224.

The previous prime is 76442099. The next prime is 76442117. The reversal of 76442115 is 51124467.

It is not a de Polignac number, because 76442115 - 2⁴ = 76442099 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76442117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2227 + ... + 12563.

It is an arithmetic number, because the mean of its divisors is an integer number (4186890).

Almost surely, 2^76442115 is an apocalyptic number.

76442115 is a deficient number, since it is larger than the sum of its proper divisors (57538365).

76442115 is a wasteful number, since it uses less digits than its factorization.

76442115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10391.

The product of its digits is 6720, while the sum is 30.

The square root of 76442115 is about 8743.1181508659. The cubic root of 76442115 is about 424.4021397586.

The spelling of 76442115 in words is "seventy-six million, four hundred forty-two thousand, one hundred fifteen".