726742670 has 16 divisors (see below), whose sum is σ = 1335970368. Its totient is φ = 284511840.

The previous prime is 726742669. The next prime is 726742691. The reversal of 726742670 is 76247627.

726742670 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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, 772661 + ... + 773600.

It is an arithmetic number, because the mean of its divisors is an integer number (83498148).

Almost surely, 2^726742670 is an apocalyptic number.

726742670 is a deficient number, since it is larger than the sum of its proper divisors (609227698).

726742670 is a wasteful number, since it uses less digits than its factorization.

726742670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546315.

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

The square root of 726742670 is about 26958.1651823710. The cubic root of 726742670 is about 899.0700971448.

The spelling of 726742670 in words is "seven hundred twenty-six million, seven hundred forty-two thousand, six hundred seventy".