674722007 has 4 divisors (see below), whose sum is σ = 674866896. Its totient is φ = 674577120.

The previous prime is 674722001. The next prime is 674722039. The reversal of 674722007 is 700227476.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-674722007 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 (674722001) 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, 65219 + ... + 74852.

It is an arithmetic number, because the mean of its divisors is an integer number (168716724).

Almost surely, 2^674722007 is an apocalyptic number.

674722007 is a deficient number, since it is larger than the sum of its proper divisors (144889).

674722007 is a wasteful number, since it uses less digits than its factorization.

674722007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144888.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 674722007 is about 25975.4115848046. The cubic root of 674722007 is about 877.0848817486.

The spelling of 674722007 in words is "six hundred seventy-four million, seven hundred twenty-two thousand, seven".