670195944 has 224 divisors, whose sum is σ = 2127939840. Its totient is φ = 195955200.

The previous prime is 670195943. The next prime is 670195951. The reversal of 670195944 is 449591076.

670195944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×670195944² = 898325206708102272, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 670195944.

It is not an unprimeable number, because it can be changed into a prime (670195943) by changing a digit.

It is a polite number, since it can be written in 55 ways as a sum of consecutive naturals, for example, 1988544 + ... + 1988880.

Almost surely, 2^670195944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670195944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063969920).

670195944 is an abundant number, since it is smaller than the sum of its proper divisors (1457743896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

670195944 is a wasteful number, since it uses less digits than its factorization.

670195944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403 (or 384 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The square root of 670195944 is about 25888.1429229676. The cubic root of 670195944 is about 875.1193062897.

The spelling of 670195944 in words is "six hundred seventy million, one hundred ninety-five thousand, nine hundred forty-four".