72259776 has 140 divisors (see below), whose sum is σ = 219071952. Its totient is φ = 23542272.

The previous prime is 72259769. The next prime is 72259787. The reversal of 72259776 is 67795227.

It is a zygodrome in base 6.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 274621 + ... + 274883.

Almost surely, 2^72259776 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 72259776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109535976).

72259776 is an abundant number, since it is smaller than the sum of its proper divisors (146812176).

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

72259776 is a wasteful number, since it uses less digits than its factorization.

72259776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 321 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 72259776 is about 8500.5750393723. The cubic root of 72259776 is about 416.5164935796.

The spelling of 72259776 in words is "seventy-two million, two hundred fifty-nine thousand, seven hundred seventy-six".