727726340 has 96 divisors (see below), whose sum is σ = 1709140608. Its totient is φ = 258048000.

The previous prime is 727726331. The next prime is 727726399. The reversal of 727726340 is 43627727.

It is a junction number, because it is equal to n+sod(n) for n = 727726294 and 727726303.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 2831492 + ... + 2831748.

It is an arithmetic number, because the mean of its divisors is an integer number (17803548).

Almost surely, 2^727726340 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 727726340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854570304).

727726340 is an abundant number, since it is smaller than the sum of its proper divisors (981414268).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

727726340 is a wasteful number, since it uses less digits than its factorization.

727726340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549 (or 547 counting only the distinct ones).

The product of its (nonzero) digits is 98784, while the sum is 38.

The square root of 727726340 is about 26976.4033925948. The cubic root of 727726340 is about 899.4755545383.

The spelling of 727726340 in words is "seven hundred twenty-seven million, seven hundred twenty-six thousand, three hundred forty".