677288730 has 32 divisors (see below), whose sum is σ = 1653048000. Its totient is φ = 177548672.

The previous prime is 677288723. The next prime is 677288741. The reversal of 677288730 is 37882776.

677288730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 677288730.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 189555 + ... + 193094.

It is an arithmetic number, because the mean of its divisors is an integer number (51657750).

Almost surely, 2^677288730 is an apocalyptic number.

677288730 is an abundant number, since it is smaller than the sum of its proper divisors (975759270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

677288730 is a wasteful number, since it uses less digits than its factorization.

677288730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382718.

The product of its (nonzero) digits is 790272, while the sum is 48.

The square root of 677288730 is about 26024.7714687372. The cubic root of 677288730 is about 878.1956529399.

The spelling of 677288730 in words is "six hundred seventy-seven million, two hundred eighty-eight thousand, seven hundred thirty".