670360320 has 576 divisors, whose sum is σ = 2896266240. Its totient is φ = 143327232.

The previous prime is 670360309. The next prime is 670360321. The reversal of 670360320 is 23063076.

It is a tau number, because it is divible by the number of its divisors (576).

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

It is not an unprimeable number, because it can be changed into a prime (670360321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4112559 + ... + 4112721.

It is an arithmetic number, because the mean of its divisors is an integer number (5028240).

Almost surely, 2^670360320 is an apocalyptic number.

670360320 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 670360320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1448133120).

670360320 is an abundant number, since it is smaller than the sum of its proper divisors (2225905920).

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

670360320 is a wasteful number, since it uses less digits than its factorization.

670360320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 27.

The square root of 670360320 is about 25891.3174635823. The cubic root of 670360320 is about 875.1908459907.

The spelling of 670360320 in words is "six hundred seventy million, three hundred sixty thousand, three hundred twenty".