670406700 has 72 divisors (see below), whose sum is σ = 1992167632. Its totient is φ = 173940480.

The previous prime is 670406683. The next prime is 670406707. The reversal of 670406700 is 7604076.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (670406707) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19099 + ... + 41298.

Almost surely, 2^670406700 is an apocalyptic number.

670406700 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

670406700 is an abundant number, since it is smaller than the sum of its proper divisors (1321760932).

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

670406700 is a wasteful number, since it uses less digits than its factorization.

670406700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60451 (or 60444 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 670406700 is about 25892.2131151433. The cubic root of 670406700 is about 875.2110293727.

The spelling of 670406700 in words is "six hundred seventy million, four hundred six thousand, seven hundred".