677401672 has 32 divisors (see below), whose sum is σ = 1302943320. Its totient is φ = 329973760.

The previous prime is 677401657. The next prime is 677401679. The reversal of 677401672 is 276104776.

It can be written as a sum of positive squares in 4 ways, for example, as 542237796 + 135163876 = 23286^2 + 11626^2 .

It is not an unprimeable number, because it can be changed into a prime (677401679) 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, 398328 + ... + 400024.

Almost surely, 2^677401672 is an apocalyptic number.

It is an amenable number.

677401672 is a deficient number, since it is larger than the sum of its proper divisors (625541648).

677401672 is a wasteful number, since it uses less digits than its factorization.

677401672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2961 (or 2957 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 40.

The square root of 677401672 is about 26026.9412724584. The cubic root of 677401672 is about 878.2444650424.

The spelling of 677401672 in words is "six hundred seventy-seven million, four hundred one thousand, six hundred seventy-two".