674220281 has 8 divisors (see below), whose sum is σ = 770757120. Its totient is φ = 577738368.

The previous prime is 674220269. The next prime is 674220299. The reversal of 674220281 is 182022476.

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

It is a cyclic number.

It is not a de Polignac number, because 674220281 - 2¹⁸ = 673958137 is a prime.

It is a super-2 number, since 2×674220281² = 909145974623437922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (674220881) 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, 17240 + ... + 40566.

It is an arithmetic number, because the mean of its divisors is an integer number (96344640).

Almost surely, 2^674220281 is an apocalyptic number.

It is an amenable number.

674220281 is a deficient number, since it is larger than the sum of its proper divisors (96536839).

674220281 is a wasteful number, since it uses less digits than its factorization.

674220281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27463.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 674220281 is about 25965.7520784590. The cubic root of 674220281 is about 876.8674265568.

The spelling of 674220281 in words is "six hundred seventy-four million, two hundred twenty thousand, two hundred eighty-one".