674734161 has 8 divisors (see below), whose sum is σ = 899830944. Its totient is φ = 449730080.

The previous prime is 674734157. The next prime is 674734163. The reversal of 674734161 is 161437476.

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 674734161 - 2² = 674734157 is a prime.

It is not an unprimeable number, because it can be changed into a prime (674734163) 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, 3900 + ... + 36941.

It is an arithmetic number, because the mean of its divisors is an integer number (112478868).

Almost surely, 2^674734161 is an apocalyptic number.

It is an amenable number.

674734161 is a deficient number, since it is larger than the sum of its proper divisors (225096783).

674734161 is a wasteful number, since it uses less digits than its factorization.

674734161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46351.

The product of its digits is 84672, while the sum is 39.

The square root of 674734161 is about 25975.6455357706. The cubic root of 674734161 is about 877.0901481277.

The spelling of 674734161 in words is "six hundred seventy-four million, seven hundred thirty-four thousand, one hundred sixty-one".