674369261 has 8 divisors (see below), whose sum is σ = 711000000. Its totient is φ = 637852320.

The previous prime is 674369237. The next prime is 674369279. The reversal of 674369261 is 162963476.

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-674369261 is a prime.

It is a super-2 number, since 2×674369261² = 909547800363372242, 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 (674369221) 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, 16136 + ... + 40113.

It is an arithmetic number, because the mean of its divisors is an integer number (88875000).

Almost surely, 2^674369261 is an apocalyptic number.

It is an amenable number.

674369261 is a deficient number, since it is larger than the sum of its proper divisors (36630739).

674369261 is a wasteful number, since it uses less digits than its factorization.

674369261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56899.

The product of its digits is 326592, while the sum is 44.

The square root of 674369261 is about 25968.6206988357. The cubic root of 674369261 is about 876.9320078675.

The spelling of 674369261 in words is "six hundred seventy-four million, three hundred sixty-nine thousand, two hundred sixty-one".