674696737 has 16 divisors (see below), whose sum is σ = 794993472. Its totient is φ = 564505920.

The previous prime is 674696717. The next prime is 674696749. The reversal of 674696737 is 737696476.

It is a de Polignac number, because none of the positive numbers 2^k-674696737 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674696717) 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, 42823 + ... + 56419.

It is an arithmetic number, because the mean of its divisors is an integer number (49687092).

Almost surely, 2^674696737 is an apocalyptic number.

It is an amenable number.

674696737 is a deficient number, since it is larger than the sum of its proper divisors (120296735).

674696737 is a wasteful number, since it uses less digits than its factorization.

674696737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13968.

The product of its digits is 8001504, while the sum is 55.

The square root of 674696737 is about 25974.9251586987. The cubic root of 674696737 is about 877.0739319493.

The spelling of 674696737 in words is "six hundred seventy-four million, six hundred ninety-six thousand, seven hundred thirty-seven".