670252244 has 12 divisors (see below), whose sum is σ = 1173433044. Its totient is φ = 334985664.

The previous prime is 670252243. The next prime is 670252259. The reversal of 670252244 is 442252076.

It can be written as a sum of positive squares in 2 ways, for example, as 585059344 + 85192900 = 24188^2 + 9230^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 670252244.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670252241) 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, 23987 + ... + 43770.

It is an arithmetic number, because the mean of its divisors is an integer number (97786087).

Almost surely, 2^670252244 is an apocalyptic number.

It is an amenable number.

670252244 is a deficient number, since it is larger than the sum of its proper divisors (503180800).

670252244 is a wasteful number, since it uses less digits than its factorization.

670252244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70234 (or 70232 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 670252244 is about 25889.2302705198. The cubic root of 670252244 is about 875.1438104852.

The spelling of 670252244 in words is "six hundred seventy million, two hundred fifty-two thousand, two hundred forty-four".