76981736 has 32 divisors (see below), whose sum is σ = 162207360. Its totient is φ = 33984192.

The previous prime is 76981733. The next prime is 76981741. The reversal of 76981736 is 63718967.

It is not an unprimeable number, because it can be changed into a prime (76981733) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13700 + ... + 18483.

It is an arithmetic number, because the mean of its divisors is an integer number (5068980).

Almost surely, 2^76981736 is an apocalyptic number.

It is an amenable number.

76981736 is an abundant number, since it is smaller than the sum of its proper divisors (85225624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

76981736 is a wasteful number, since it uses less digits than its factorization.

76981736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32225 (or 32221 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 76981736 is about 8773.9236376891. The cubic root of 76981736 is about 425.3984470914.

The spelling of 76981736 in words is "seventy-six million, nine hundred eighty-one thousand, seven hundred thirty-six".