726740674 has 16 divisors (see below), whose sum is σ = 1189689120. Its totient is φ = 330204160.

The previous prime is 726740669. The next prime is 726740681. The reversal of 726740674 is 476047627.

It is a self number, because there is not a number n which added to its sum of digits gives 726740674.

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, 68277 + ... + 78199.

It is an arithmetic number, because the mean of its divisors is an integer number (74355570).

Almost surely, 2^726740674 is an apocalyptic number.

726740674 is a deficient number, since it is larger than the sum of its proper divisors (462948446).

726740674 is a wasteful number, since it uses less digits than its factorization.

726740674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13265.

The product of its (nonzero) digits is 395136, while the sum is 43.

The square root of 726740674 is about 26958.1281620219. The cubic root of 726740674 is about 899.0692740449.

The spelling of 726740674 in words is "seven hundred twenty-six million, seven hundred forty thousand, six hundred seventy-four".