674842631 has 8 divisors (see below), whose sum is σ = 679536000. Its totient is φ = 670162680.

The previous prime is 674842621. The next prime is 674842633. The reversal of 674842631 is 136248476.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674842631 is a prime.

It is a super-2 number, since 2×674842631² = 910825153230004322, 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 (674842633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110660 + ... + 116598.

It is an arithmetic number, because the mean of its divisors is an integer number (84942000).

Almost surely, 2^674842631 is an apocalyptic number.

674842631 is a deficient number, since it is larger than the sum of its proper divisors (4693369).

674842631 is a wasteful number, since it uses less digits than its factorization.

674842631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6709.

The product of its digits is 193536, while the sum is 41.

The square root of 674842631 is about 25977.7333691760. The cubic root of 674842631 is about 877.1371458325.

The spelling of 674842631 in words is "six hundred seventy-four million, eight hundred forty-two thousand, six hundred thirty-one".