76789312 has 14 divisors (see below), whose sum is σ = 152378918. Its totient is φ = 38394624.

The previous prime is 76789309. The next prime is 76789313. The reversal of 76789312 is 21398767.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 76457536 + 331776 = 8744^2 + 576^2 .

It is not an unprimeable number, because it can be changed into a prime (76789313) by changing a digit.

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 as a sum of consecutive naturals, namely, 599853 + ... + 599980.

Almost surely, 2^76789312 is an apocalyptic number.

It is an amenable number.

76789312 is a deficient number, since it is larger than the sum of its proper divisors (75589606).

76789312 is a wasteful number, since it uses less digits than its factorization.

76789312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1199845 (or 1199835 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 76789312 is about 8762.9511010846. The cubic root of 76789312 is about 425.0437085382.

The spelling of 76789312 in words is "seventy-six million, seven hundred eighty-nine thousand, three hundred twelve".