726666262 has 16 divisors (see below), whose sum is σ = 1246067712. Its totient is φ = 311339880.

The previous prime is 726666203. The next prime is 726666263. The reversal of 726666262 is 262666627.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726666263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76593 + ... + 85555.

It is an arithmetic number, because the mean of its divisors is an integer number (77879232).

Almost surely, 2^726666262 is an apocalyptic number.

726666262 is a deficient number, since it is larger than the sum of its proper divisors (519401450).

726666262 is a wasteful number, since it uses less digits than its factorization.

726666262 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14763.

The product of its digits is 435456, while the sum is 43.

The square root of 726666262 is about 26956.7479863577. The cubic root of 726666262 is about 899.0385873416.

The spelling of 726666262 in words is "seven hundred twenty-six million, six hundred sixty-six thousand, two hundred sixty-two".