674134207 has 4 divisors (see below), whose sum is σ = 688477536. Its totient is φ = 659790880.

The previous prime is 674134199. The next prime is 674134211. The reversal of 674134207 is 702431476.

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

It is a cyclic number.

It is not a de Polignac number, because 674134207 - 2³ = 674134199 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 (674134247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7171594 + ... + 7171687.

It is an arithmetic number, because the mean of its divisors is an integer number (172119384).

Almost surely, 2^674134207 is an apocalyptic number.

674134207 is a deficient number, since it is larger than the sum of its proper divisors (14343329).

674134207 is a wasteful number, since it uses less digits than its factorization.

674134207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343328.

The product of its (nonzero) digits is 28224, while the sum is 34.

The square root of 674134207 is about 25964.0945730830. The cubic root of 674134207 is about 876.8301100194.

The spelling of 674134207 in words is "six hundred seventy-four million, one hundred thirty-four thousand, two hundred seven".