726321206 has 16 divisors (see below), whose sum is σ = 1173768624. Its totient is φ = 335087904.

The previous prime is 726321203. The next prime is 726321217. The reversal of 726321206 is 602123627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726321203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87905 + ... + 95811.

It is an arithmetic number, because the mean of its divisors is an integer number (73360539).

Almost surely, 2^726321206 is an apocalyptic number.

726321206 is a deficient number, since it is larger than the sum of its proper divisors (447447418).

726321206 is a wasteful number, since it uses less digits than its factorization.

726321206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11455.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 726321206 is about 26950.3470478582. The cubic root of 726321206 is about 898.8962625954.

The spelling of 726321206 in words is "seven hundred twenty-six million, three hundred twenty-one thousand, two hundred six".