77307332 has 6 divisors (see below), whose sum is σ = 135287838. Its totient is φ = 38653664.

The previous prime is 77307317. The next prime is 77307343. The reversal of 77307332 is 23370377.

It can be written as a sum of positive squares in only one way, i.e., 66324736 + 10982596 = 8144^2 + 3314^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9663413 + ... + 9663420.

It is an arithmetic number, because the mean of its divisors is an integer number (22547973).

Almost surely, 2^77307332 is an apocalyptic number.

It is an amenable number.

77307332 is a deficient number, since it is larger than the sum of its proper divisors (57980506).

77307332 is a wasteful number, since it uses less digits than its factorization.

77307332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19326837 (or 19326835 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 32.

The square root of 77307332 is about 8792.4588142339. The cubic root of 77307332 is about 425.9973476585.

The spelling of 77307332 in words is "seventy-seven million, three hundred seven thousand, three hundred thirty-two".