726540272 has 40 divisors (see below), whose sum is σ = 1426087296. Its totient is φ = 358544576.

The previous prime is 726540247. The next prime is 726540281. The reversal of 726540272 is 272045627.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 593453 + ... + 594675.

Almost surely, 2^726540272 is an apocalyptic number.

It is an amenable number.

726540272 is a deficient number, since it is larger than the sum of its proper divisors (699547024).

726540272 is a wasteful number, since it uses less digits than its factorization.

726540272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685 (or 1679 counting only the distinct ones).

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

The square root of 726540272 is about 26954.4109933792. The cubic root of 726540272 is about 898.9866256528.

Adding to 726540272 its reverse (272045627), we get a palindrome (998585899).

The spelling of 726540272 in words is "seven hundred twenty-six million, five hundred forty thousand, two hundred seventy-two".