674686677 has 16 divisors (see below), whose sum is σ = 1029894272. Its totient is φ = 384860160.

The previous prime is 674686673. The next prime is 674686687. The reversal of 674686677 is 776686476.

It is not a de Polignac number, because 674686677 - 2² = 674686673 is a prime.

It is a super-2 number, since 2×674686677² = 910404224242604658, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674686673) 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, 15724 + ... + 39957.

It is an arithmetic number, because the mean of its divisors is an integer number (64368392).

Almost surely, 2^674686677 is an apocalyptic number.

It is an amenable number.

674686677 is a deficient number, since it is larger than the sum of its proper divisors (355207595).

674686677 is a wasteful number, since it uses less digits than its factorization.

674686677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56268.

The product of its digits is 14224896, while the sum is 57.

The square root of 674686677 is about 25974.7315096807. The cubic root of 674686677 is about 877.0695727525.

The spelling of 674686677 in words is "six hundred seventy-four million, six hundred eighty-six thousand, six hundred seventy-seven".