677890730 has 32 divisors (see below), whose sum is σ = 1389011328. Its totient is φ = 235787200.

The previous prime is 677890711. The next prime is 677890739. The reversal of 677890730 is 37098776.

677890730 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (677890739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131441 + ... + 136500.

It is an arithmetic number, because the mean of its divisors is an integer number (43406604).

Almost surely, 2^677890730 is an apocalyptic number.

677890730 is an abundant number, since it is smaller than the sum of its proper divisors (711120598).

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

677890730 is a wasteful number, since it uses less digits than its factorization.

677890730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 267982.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 677890730 is about 26036.3348035010. The cubic root of 677890730 is about 878.4557671285.

The spelling of 677890730 in words is "six hundred seventy-seven million, eight hundred ninety thousand, seven hundred thirty".