76709816 has 8 divisors (see below), whose sum is σ = 143830920. Its totient is φ = 38354904.

The previous prime is 76709813. The next prime is 76709861. The reversal of 76709816 is 61890767.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76709813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4794356 + ... + 4794371.

It is an arithmetic number, because the mean of its divisors is an integer number (17978865).

Almost surely, 2^76709816 is an apocalyptic number.

It is an amenable number.

76709816 is a deficient number, since it is larger than the sum of its proper divisors (67121104).

76709816 is a wasteful number, since it uses less digits than its factorization.

76709816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9588733 (or 9588729 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 76709816 is about 8758.4140116804. The cubic root of 76709816 is about 424.8969826437.

The spelling of 76709816 in words is "seventy-six million, seven hundred nine thousand, eight hundred sixteen".