726676432 has 80 divisors (see below), whose sum is σ = 1546776000. Its totient is φ = 329398272.

The previous prime is 726676399. The next prime is 726676453. The reversal of 726676432 is 234676627.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1225128 + ... + 1225720.

It is an arithmetic number, because the mean of its divisors is an integer number (19334700).

Almost surely, 2^726676432 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 726676432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (773388000).

726676432 is an abundant number, since it is smaller than the sum of its proper divisors (820099568).

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

726676432 is a wasteful number, since it uses less digits than its factorization.

726676432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788 (or 782 counting only the distinct ones).

The product of its digits is 508032, while the sum is 43.

The square root of 726676432 is about 26956.9366212112. The cubic root of 726676432 is about 899.0427814631.

The spelling of 726676432 in words is "seven hundred twenty-six million, six hundred seventy-six thousand, four hundred thirty-two".