670315730 has 16 divisors (see below), whose sum is σ = 1378935360. Its totient is φ = 229822512.

The previous prime is 670315673. The next prime is 670315741. The reversal of 670315730 is 37513076.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4787900 + ... + 4788039.

It is an arithmetic number, because the mean of its divisors is an integer number (86183460).

Almost surely, 2^670315730 is an apocalyptic number.

670315730 is an abundant number, since it is smaller than the sum of its proper divisors (708619630).

670315730 is a wasteful number, since it uses less digits than its factorization.

670315730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9575953.

The product of its (nonzero) digits is 13230, while the sum is 32.

The square root of 670315730 is about 25890.4563497826. The cubic root of 670315730 is about 875.1714406928.

The spelling of 670315730 in words is "six hundred seventy million, three hundred fifteen thousand, seven hundred thirty".