727499872 has 24 divisors (see below), whose sum is σ = 1562472072. Its totient is φ = 330681600.

The previous prime is 727499863. The next prime is 727499879. The reversal of 727499872 is 278994727.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727499879) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1033029 + ... + 1033732.

It is an arithmetic number, because the mean of its divisors is an integer number (65103003).

Almost surely, 2^727499872 is an apocalyptic number.

It is an amenable number.

727499872 is an abundant number, since it is smaller than the sum of its proper divisors (834972200).

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

727499872 is a wasteful number, since it uses less digits than its factorization.

727499872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2066782 (or 2066774 counting only the distinct ones).

The product of its digits is 3556224, while the sum is 55.

The square root of 727499872 is about 26972.2055457095. The cubic root of 727499872 is about 899.3822394403.

It can be divided in two parts, 72749 and 9872, that added together give a triangular number (82621 = T₄₀₆).

The spelling of 727499872 in words is "seven hundred twenty-seven million, four hundred ninety-nine thousand, eight hundred seventy-two".