670812480 has 672 divisors, whose sum is σ = 2795869440. Its totient is φ = 145981440.

The previous prime is 670812421. The next prime is 670812481. The reversal of 670812480 is 84218076.

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 (670812481) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 16361260 + ... + 16361300.

It is an arithmetic number, because the mean of its divisors is an integer number (4160520).

Almost surely, 2^670812480 is an apocalyptic number.

670812480 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 670812480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397934720).

670812480 is an abundant number, since it is smaller than the sum of its proper divisors (2125056960).

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

670812480 is a wasteful number, since it uses less digits than its factorization.

670812480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119 (or 106 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 670812480 is about 25900.0478764036. The cubic root of 670812480 is about 875.3875746959.

The spelling of 670812480 in words is "six hundred seventy million, eight hundred twelve thousand, four hundred eighty".