76128716 has 12 divisors (see below), whose sum is σ = 133289688. Its totient is φ = 38045952.

The previous prime is 76128697. The next prime is 76128727. The reversal of 76128716 is 61782167.

It is a self number, because there is not a number n which added to its sum of digits gives 76128716.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9515 + ... + 15581.

It is an arithmetic number, because the mean of its divisors is an integer number (11107474).

Almost surely, 2^76128716 is an apocalyptic number.

It is an amenable number.

76128716 is a deficient number, since it is larger than the sum of its proper divisors (57160972).

76128716 is a wasteful number, since it uses less digits than its factorization.

76128716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9208 (or 9206 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 76128716 is about 8725.1771328724. The cubic root of 76128716 is about 423.8213543720.

The spelling of 76128716 in words is "seventy-six million, one hundred twenty-eight thousand, seven hundred sixteen".