677710340 has 24 divisors (see below), whose sum is σ = 1424474520. Its totient is φ = 270839808.

The previous prime is 677710337. The next prime is 677710349. The reversal of 677710340 is 43017776.

It can be written as a sum of positive squares in 4 ways, for example, as 85858756 + 591851584 = 9266^2 + 24328^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 677710340.

It is not an unprimeable number, because it can be changed into a prime (677710349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8366 + ... + 37754.

It is an arithmetic number, because the mean of its divisors is an integer number (59353105).

Almost surely, 2^677710340 is an apocalyptic number.

It is an amenable number.

677710340 is an abundant number, since it is smaller than the sum of its proper divisors (746764180).

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

677710340 is a wasteful number, since it uses less digits than its factorization.

677710340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30551 (or 30549 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 677710340 is about 26032.8703757384. The cubic root of 677710340 is about 878.3778397738.

The spelling of 677710340 in words is "six hundred seventy-seven million, seven hundred ten thousand, three hundred forty".