726900290 has 32 divisors (see below), whose sum is σ = 1389960000. Its totient is φ = 272922048.

The previous prime is 726900289. The next prime is 726900299. The reversal of 726900290 is 92009627.

726900290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 726900290.

It is not an unprimeable number, because it can be changed into a prime (726900299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3161 + ... + 38259.

It is an arithmetic number, because the mean of its divisors is an integer number (43436250).

Almost surely, 2^726900290 is an apocalyptic number.

726900290 is a deficient number, since it is larger than the sum of its proper divisors (663059710).

726900290 is a wasteful number, since it uses less digits than its factorization.

726900290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35234.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 726900290 is about 26961.0884424201. The cubic root of 726900290 is about 899.1350908906.

The spelling of 726900290 in words is "seven hundred twenty-six million, nine hundred thousand, two hundred ninety".