670952903 has 4 divisors (see below), whose sum is σ = 694089240. Its totient is φ = 647816568.

The previous prime is 670952899. The next prime is 670952927. The reversal of 670952903 is 309259076.

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 670952903 - 2² = 670952899 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 (670952963) 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, 11568125 + ... + 11568182.

It is an arithmetic number, because the mean of its divisors is an integer number (173522310).

Almost surely, 2^670952903 is an apocalyptic number.

670952903 is a deficient number, since it is larger than the sum of its proper divisors (23136337).

670952903 is a wasteful number, since it uses less digits than its factorization.

670952903 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23136336.

The product of its (nonzero) digits is 102060, while the sum is 41.

The square root of 670952903 is about 25902.7585982652. The cubic root of 670952903 is about 875.4486528544.

The spelling of 670952903 in words is "six hundred seventy million, nine hundred fifty-two thousand, nine hundred three".