670314657 has 4 divisors (see below), whose sum is σ = 893752880. Its totient is φ = 446876436.

The previous prime is 670314653. The next prime is 670314683. The reversal of 670314657 is 756413076.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 670314657 - 2² = 670314653 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (670314653) 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, 111719107 + ... + 111719112.

It is an arithmetic number, because the mean of its divisors is an integer number (223438220).

Almost surely, 2^670314657 is an apocalyptic number.

It is an amenable number.

670314657 is a deficient number, since it is larger than the sum of its proper divisors (223438223).

670314657 is a wasteful number, since it uses less digits than its factorization.

670314657 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223438222.

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 670314657 is about 25890.4356278530. The cubic root of 670314657 is about 875.1709737191.

The spelling of 670314657 in words is "six hundred seventy million, three hundred fourteen thousand, six hundred fifty-seven".