670710742 has 8 divisors (see below), whose sum is σ = 1083455856. Its totient is φ = 309558792.

The previous prime is 670710739. The next prime is 670710757. The reversal of 670710742 is 247017076.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 670710698 and 670710707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12898258 + ... + 12898309.

It is an arithmetic number, because the mean of its divisors is an integer number (135431982).

Almost surely, 2^670710742 is an apocalyptic number.

670710742 is a deficient number, since it is larger than the sum of its proper divisors (412745114).

670710742 is a wasteful number, since it uses less digits than its factorization.

670710742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25796582.

The product of its (nonzero) digits is 16464, while the sum is 34.

The square root of 670710742 is about 25898.0837515056. The cubic root of 670710742 is about 875.3433175766.

The spelling of 670710742 in words is "six hundred seventy million, seven hundred ten thousand, seven hundred forty-two".