674297731 has 16 divisors (see below), whose sum is σ = 707857920. Its totient is φ = 641710080.

The previous prime is 674297719. The next prime is 674297761. The reversal of 674297731 is 137792476.

It is a cyclic number.

It is not a de Polignac number, because 674297731 - 2⁵ = 674297699 is a prime.

It is a super-3 number, since 3×674297731³ (a number of 27 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674297711) 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, 318366 + ... + 320476.

It is an arithmetic number, because the mean of its divisors is an integer number (44241120).

Almost surely, 2^674297731 is an apocalyptic number.

674297731 is a deficient number, since it is larger than the sum of its proper divisors (33560189).

674297731 is a wasteful number, since it uses less digits than its factorization.

674297731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2334.

The product of its digits is 444528, while the sum is 46.

The square root of 674297731 is about 25967.2434232053. The cubic root of 674297731 is about 876.9010015291.

The spelling of 674297731 in words is "six hundred seventy-four million, two hundred ninety-seven thousand, seven hundred thirty-one".