727540226 has 32 divisors (see below), whose sum is σ = 1292647680. Its totient is φ = 300484800.

The previous prime is 727540207. The next prime is 727540237. The reversal of 727540226 is 622045727.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267011 + ... + 269721.

It is an arithmetic number, because the mean of its divisors is an integer number (40395240).

Almost surely, 2^727540226 is an apocalyptic number.

727540226 is a deficient number, since it is larger than the sum of its proper divisors (565107454).

727540226 is a wasteful number, since it uses less digits than its factorization.

727540226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3410.

The product of its (nonzero) digits is 47040, while the sum is 35.

The square root of 727540226 is about 26972.9536017100. The cubic root of 727540226 is about 899.3988685382.

The spelling of 727540226 in words is "seven hundred twenty-seven million, five hundred forty thousand, two hundred twenty-six".