76840512730 has 16 divisors (see below), whose sum is σ = 139979345184. Its totient is φ = 30365889040.

The previous prime is 76840512677. The next prime is 76840512781. The reversal of 76840512730 is 3721504867.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46288636 + ... + 46290295.

It is an arithmetic number, because the mean of its divisors is an integer number (8748709074).

Almost surely, 2^76840512730 is an apocalyptic number.

76840512730 is a deficient number, since it is larger than the sum of its proper divisors (63138832454).

76840512730 is a wasteful number, since it uses less digits than its factorization.

76840512730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92579021.

The product of its (nonzero) digits is 282240, while the sum is 43.

The spelling of 76840512730 in words is "seventy-six billion, eight hundred forty million, five hundred twelve thousand, seven hundred thirty".