670040722 has 24 divisors (see below), whose sum is σ = 1090366704. Its totient is φ = 308668464.

The previous prime is 670040699. The next prime is 670040729. The reversal of 670040722 is 227040076.

It is not an unprimeable number, because it can be changed into a prime (670040729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 215793 + ... + 218875.

It is an arithmetic number, because the mean of its divisors is an integer number (45431946).

Almost surely, 2^670040722 is an apocalyptic number.

670040722 is a deficient number, since it is larger than the sum of its proper divisors (420325982).

670040722 is a wasteful number, since it uses less digits than its factorization.

670040722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3741 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 28.

The square root of 670040722 is about 25885.1448131935. The cubic root of 670040722 is about 875.0517398521.

Adding to 670040722 its reverse (227040076), we get a palindrome (897080798).

The spelling of 670040722 in words is "six hundred seventy million, forty thousand, seven hundred twenty-two".