670137930 has 288 divisors, whose sum is σ = 2240784000. Its totient is φ = 135970560.

The previous prime is 670137917. The next prime is 670137971. The reversal of 670137930 is 39731076.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 4497496 + ... + 4497644.

It is an arithmetic number, because the mean of its divisors is an integer number (7780500).

Almost surely, 2^670137930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670137930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1120392000).

670137930 is an abundant number, since it is smaller than the sum of its proper divisors (1570646070).

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

670137930 is a wasteful number, since it uses less digits than its factorization.

670137930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 36.

The square root of 670137930 is about 25887.0224243732. The cubic root of 670137930 is about 875.0940546515.

The spelling of 670137930 in words is "six hundred seventy million, one hundred thirty-seven thousand, nine hundred thirty".