670680000 has 490 divisors, whose sum is σ = 2601873384. Its totient is φ = 171072000.

The previous prime is 670679929. The next prime is 670680007. The reversal of 670680000 is 86076.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (670680007) by changing a digit.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 29159989 + ... + 29160011.

Almost surely, 2^670680000 is an apocalyptic number.

670680000 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 670680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1300936692).

670680000 is an abundant number, since it is smaller than the sum of its proper divisors (1931193384).

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

670680000 is an frugal number, since it uses more digits than its factorization.

670680000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73 (or 33 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 670680000 is about 25897.4902258887. The cubic root of 670680000 is about 875.3299435970.

The spelling of 670680000 in words is "six hundred seventy million, six hundred eighty thousand".