76961684 has 12 divisors (see below), whose sum is σ = 134747424. Its totient is φ = 38462424.

The previous prime is 76961683. The next prime is 76961699. The reversal of 76961684 is 48616967.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76961681) 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 3 ways as a sum of consecutive naturals, for example, 9809 + ... + 15815.

It is an arithmetic number, because the mean of its divisors is an integer number (11228952).

Almost surely, 2^76961684 is an apocalyptic number.

It is an amenable number.

76961684 is a deficient number, since it is larger than the sum of its proper divisors (57785740).

76961684 is a wasteful number, since it uses less digits than its factorization.

76961684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9214 (or 9212 counting only the distinct ones).

The product of its digits is 435456, while the sum is 47.

The square root of 76961684 is about 8772.7808589979. The cubic root of 76961684 is about 425.3615083280.

The spelling of 76961684 in words is "seventy-six million, nine hundred sixty-one thousand, six hundred eighty-four".