670350965 has 4 divisors (see below), whose sum is σ = 804421164. Its totient is φ = 536280768.

The previous prime is 670350931. The next prime is 670350983. The reversal of 670350965 is 569053076.

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 526518916 + 143832049 = 22946^2 + 11993^2 .

It is a cyclic number.

It is not a de Polignac number, because 670350965 - 2¹² = 670346869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67035092 + ... + 67035101.

It is an arithmetic number, because the mean of its divisors is an integer number (201105291).

Almost surely, 2^670350965 is an apocalyptic number.

It is an amenable number.

670350965 is a deficient number, since it is larger than the sum of its proper divisors (134070199).

670350965 is a wasteful number, since it uses less digits than its factorization.

670350965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134070198.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 670350965 is about 25891.1368039335. The cubic root of 670350965 is about 875.1867748227.

The spelling of 670350965 in words is "six hundred seventy million, three hundred fifty thousand, nine hundred sixty-five".