674401071 has 4 divisors (see below), whose sum is σ = 899201432. Its totient is φ = 449600712.

The previous prime is 674400989. The next prime is 674401081. The reversal of 674401071 is 170104476.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 674401071 - 2²² = 670206767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674401081) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112400176 + ... + 112400181.

It is an arithmetic number, because the mean of its divisors is an integer number (224800358).

Almost surely, 2^674401071 is an apocalyptic number.

674401071 is a deficient number, since it is larger than the sum of its proper divisors (224800361).

674401071 is a wasteful number, since it uses less digits than its factorization.

674401071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224800360.

The product of its (nonzero) digits is 4704, while the sum is 30.

The square root of 674401071 is about 25969.2331615703. The cubic root of 674401071 is about 876.9457959458.

The spelling of 674401071 in words is "six hundred seventy-four million, four hundred one thousand, seventy-one".