77730704 has 20 divisors (see below), whose sum is σ = 150811776. Its totient is φ = 38811552.

The previous prime is 77730703. The next prime is 77730721. The reversal of 77730704 is 40703777.

It is not an unprimeable number, because it can be changed into a prime (77730703) 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, 10217 + ... + 16119.

Almost surely, 2^77730704 is an apocalyptic number.

It is an amenable number.

77730704 is a deficient number, since it is larger than the sum of its proper divisors (73081072).

77730704 is a wasteful number, since it uses less digits than its factorization.

77730704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6734 (or 6728 counting only the distinct ones).

The product of its (nonzero) digits is 28812, while the sum is 35.

The square root of 77730704 is about 8816.5018006010. The cubic root of 77730704 is about 426.7735875701.

The spelling of 77730704 in words is "seventy-seven million, seven hundred thirty thousand, seven hundred four".