670376797 has 4 divisors (see below), whose sum is σ = 677287996. Its totient is φ = 663465600.

The previous prime is 670376779. The next prime is 670376809. The reversal of 670376797 is 797673076.

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

It can be written as a sum of positive squares in 2 ways, for example, as 371294361 + 299082436 = 19269^2 + 17294^2 .

It is a cyclic number.

It is not a de Polignac number, because 670376797 - 2²³ = 661988189 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 (670376717) 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, 3455454 + ... + 3455647.

It is an arithmetic number, because the mean of its divisors is an integer number (169321999).

Almost surely, 2^670376797 is an apocalyptic number.

It is an amenable number.

670376797 is a deficient number, since it is larger than the sum of its proper divisors (6911199).

670376797 is an equidigital number, since it uses as much as digits as its factorization.

670376797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6911198.

The product of its (nonzero) digits is 2333772, while the sum is 52.

The square root of 670376797 is about 25891.6356570998. The cubic root of 670376797 is about 875.1980164635.

The spelling of 670376797 in words is "six hundred seventy million, three hundred seventy-six thousand, seven hundred ninety-seven".