72726332 has 24 divisors (see below), whose sum is σ = 146957664. Its totient is φ = 30845952.

The previous prime is 72726331. The next prime is 72726337. The reversal of 72726332 is 23362727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72726331) 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, 10673 + ... + 16104.

It is an arithmetic number, because the mean of its divisors is an integer number (6123236).

Almost surely, 2^72726332 is an apocalyptic number.

It is an amenable number.

72726332 is an abundant number, since it is smaller than the sum of its proper divisors (74231332).

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

72726332 is a wasteful number, since it uses less digits than its factorization.

72726332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26885 (or 26883 counting only the distinct ones).

The product of its digits is 21168, while the sum is 32.

The square root of 72726332 is about 8527.9734990207. The cubic root of 72726332 is about 417.4110047320.

The spelling of 72726332 in words is "seventy-two million, seven hundred twenty-six thousand, three hundred thirty-two".