726187672 has 32 divisors (see below), whose sum is σ = 1557666720. Its totient is φ = 310913280.

The previous prime is 726187669. The next prime is 726187673. The reversal of 726187672 is 276781627.

726187672 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726187673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55522 + ... + 67342.

It is an arithmetic number, because the mean of its divisors is an integer number (48677085).

Almost surely, 2^726187672 is an apocalyptic number.

It is an amenable number.

726187672 is an abundant number, since it is smaller than the sum of its proper divisors (831479048).

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

726187672 is a wasteful number, since it uses less digits than its factorization.

726187672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12931 (or 12927 counting only the distinct ones).

The product of its digits is 395136, while the sum is 46.

The square root of 726187672 is about 26947.8695261796. The cubic root of 726187672 is about 898.8411719232.

The spelling of 726187672 in words is "seven hundred twenty-six million, one hundred eighty-seven thousand, six hundred seventy-two".