720677612 has 24 divisors (see below), whose sum is σ = 1269306192. Its totient is φ = 358027200.

The previous prime is 720677611. The next prime is 720677641. The reversal of 720677612 is 216776027.

It is not an unprimeable number, because it can be changed into a prime (720677611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 521162 + ... + 522542.

It is an arithmetic number, because the mean of its divisors is an integer number (52887758).

Almost surely, 2^720677612 is an apocalyptic number.

It is an amenable number.

720677612 is a deficient number, since it is larger than the sum of its proper divisors (548628580).

720677612 is a wasteful number, since it uses less digits than its factorization.

720677612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129 (or 2127 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 720677612 is about 26845.4393147141. The cubic root of 720677612 is about 896.5620327841.

The spelling of 720677612 in words is "seven hundred twenty million, six hundred seventy-seven thousand, six hundred twelve".