670713372 has 180 divisors, whose sum is σ = 2068272360. Its totient is φ = 188951616.

The previous prime is 670713371. The next prime is 670713377. The reversal of 670713372 is 273317076.

It is a super-2 number, since 2×670713372² = 899712854759220768, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670713371) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1317454 + ... + 1317962.

It is an arithmetic number, because the mean of its divisors is an integer number (11490402).

Almost surely, 2^670713372 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 670713372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1034136180).

670713372 is an abundant number, since it is smaller than the sum of its proper divisors (1397558988).

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

670713372 is a wasteful number, since it uses less digits than its factorization.

670713372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 36.

The square root of 670713372 is about 25898.1345274134. The cubic root of 670713372 is about 875.3444617111.

The spelling of 670713372 in words is "six hundred seventy million, seven hundred thirteen thousand, three hundred seventy-two".