670039706 has 16 divisors (see below), whose sum is σ = 1149287616. Its totient is φ = 286997856.

The previous prime is 670039633. The next prime is 670039729. The reversal of 670039706 is 607930076.

It is a self number, because there is not a number n which added to its sum of digits gives 670039706.

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, 14150 + ... + 39246.

It is an arithmetic number, because the mean of its divisors is an integer number (71830476).

Almost surely, 2^670039706 is an apocalyptic number.

670039706 is a deficient number, since it is larger than the sum of its proper divisors (479247910).

670039706 is a wasteful number, since it uses less digits than its factorization.

670039706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27013.

The product of its (nonzero) digits is 47628, while the sum is 38.

The square root of 670039706 is about 25885.1251880303. The cubic root of 670039706 is about 875.0512975640.

The spelling of 670039706 in words is "six hundred seventy million, thirty-nine thousand, seven hundred six".