670639301 has 4 divisors (see below), whose sum is σ = 670691232. Its totient is φ = 670587372.

The previous prime is 670639271. The next prime is 670639303. The reversal of 670639301 is 103936076.

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, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 670639301 - 2⁶ = 670639237 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 (670639303) 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, 10160 + ... + 38006.

It is an arithmetic number, because the mean of its divisors is an integer number (167672808).

Almost surely, 2^670639301 is an apocalyptic number.

It is an amenable number.

670639301 is a deficient number, since it is larger than the sum of its proper divisors (51931).

670639301 is a wasteful number, since it uses less digits than its factorization.

670639301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51930.

The product of its (nonzero) digits is 20412, while the sum is 35.

The square root of 670639301 is about 25896.7044428437. The cubic root of 670639301 is about 875.3122373019.

The spelling of 670639301 in words is "six hundred seventy million, six hundred thirty-nine thousand, three hundred one".