77716732 has 12 divisors (see below), whose sum is σ = 136490256. Its totient is φ = 38719520.

The previous prime is 77716711. The next prime is 77716733. The reversal of 77716732 is 23761777.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77716733) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33448 + ... + 35695.

It is an arithmetic number, because the mean of its divisors is an integer number (11374188).

Almost surely, 2^77716732 is an apocalyptic number.

It is an amenable number.

77716732 is a deficient number, since it is larger than the sum of its proper divisors (58773524).

77716732 is a wasteful number, since it uses less digits than its factorization.

77716732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69428 (or 69426 counting only the distinct ones).

The product of its digits is 86436, while the sum is 40.

The square root of 77716732 is about 8815.7093872246. The cubic root of 77716732 is about 426.7480153592.

The spelling of 77716732 in words is "seventy-seven million, seven hundred sixteen thousand, seven hundred thirty-two".