670724726 has 16 divisors (see below), whose sum is σ = 1153025280. Its totient is φ = 286650600.

The previous prime is 670724701. The next prime is 670724777. The reversal of 670724726 is 627427076.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61700 + ... + 71751.

It is an arithmetic number, because the mean of its divisors is an integer number (72064080).

Almost surely, 2^670724726 is an apocalyptic number.

670724726 is a deficient number, since it is larger than the sum of its proper divisors (482300554).

670724726 is a wasteful number, since it uses less digits than its factorization.

670724726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133819.

The product of its (nonzero) digits is 197568, while the sum is 41.

The square root of 670724726 is about 25898.3537314633. The cubic root of 670724726 is about 875.3494010316.

The spelling of 670724726 in words is "six hundred seventy million, seven hundred twenty-four thousand, seven hundred twenty-six".