674745766 has 16 divisors (see below), whose sum is σ = 1052642448. Its totient is φ = 324122400.

The previous prime is 674745763. The next prime is 674745767. The reversal of 674745766 is 667547476.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674745763) 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, 59065 + ... + 69556.

It is an arithmetic number, because the mean of its divisors is an integer number (65790153).

Almost surely, 2^674745766 is an apocalyptic number.

674745766 is a deficient number, since it is larger than the sum of its proper divisors (377896682).

674745766 is a wasteful number, since it uses less digits than its factorization.

674745766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128727.

The product of its digits is 5927040, while the sum is 52.

The square root of 674745766 is about 25975.8689171315. The cubic root of 674745766 is about 877.0951765638.

The spelling of 674745766 in words is "six hundred seventy-four million, seven hundred forty-five thousand, seven hundred sixty-six".