726641146 has 16 divisors (see below), whose sum is σ = 1358913600. Its totient is φ = 283106880.

The previous prime is 726641129. The next prime is 726641203. The reversal of 726641146 is 641146627.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2359071 + ... + 2359378.

It is an arithmetic number, because the mean of its divisors is an integer number (84932100).

Almost surely, 2^726641146 is an apocalyptic number.

726641146 is a deficient number, since it is larger than the sum of its proper divisors (632272454).

726641146 is a wasteful number, since it uses less digits than its factorization.

726641146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4718469.

The product of its digits is 48384, while the sum is 37.

The square root of 726641146 is about 26956.2821249519. The cubic root of 726641146 is about 899.0282293022.

The spelling of 726641146 in words is "seven hundred twenty-six million, six hundred forty-one thousand, one hundred forty-six".