727630440 has 32 divisors (see below), whose sum is σ = 2182891680. Its totient is φ = 194034752.

The previous prime is 727630433. The next prime is 727630469. The reversal of 727630440 is 44036727.

727630440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3031674 + ... + 3031913.

It is an arithmetic number, because the mean of its divisors is an integer number (68215365).

Almost surely, 2^727630440 is an apocalyptic number.

It is an amenable number.

727630440 is an abundant number, since it is smaller than the sum of its proper divisors (1455261240).

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

727630440 is a wasteful number, since it uses less digits than its factorization.

727630440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6063601 (or 6063597 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 33.

The square root of 727630440 is about 26974.6258546805. The cubic root of 727630440 is about 899.4360417479.

The spelling of 727630440 in words is "seven hundred twenty-seven million, six hundred thirty thousand, four hundred forty".