670085376 has 72 divisors (see below), whose sum is σ = 1788042144. Its totient is φ = 222781440.

The previous prime is 670085371. The next prime is 670085389. The reversal of 670085376 is 673580076.

It is a super-2 number, since 2×670085376² = 898028822258122752, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (670085371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 376200 + ... + 377976.

Almost surely, 2^670085376 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 670085376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (894021072).

670085376 is an abundant number, since it is smaller than the sum of its proper divisors (1117956768).

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

670085376 is a wasteful number, since it uses less digits than its factorization.

670085376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2273 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 42.

The square root of 670085376 is about 25886.0073398738. The cubic root of 670085376 is about 875.0711783186.

The spelling of 670085376 in words is "six hundred seventy million, eighty-five thousand, three hundred seventy-six".