72798 has 16 divisors (see below), whose sum is σ = 158976. Its totient is φ = 22040.

The previous prime is 72797. The next prime is 72817. The reversal of 72798 is 89727.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72797) 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, 486 + ... + 617.

It is an arithmetic number, because the mean of its divisors is an integer number (9936).

2⁷²⁷⁹⁸ is an apocalyptic number.

72798 is an abundant number, since it is smaller than the sum of its proper divisors (86178).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79488).

72798 is a wasteful number, since it uses less digits than its factorization.

72798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its digits is 7056, while the sum is 33.

The square root of 72798 is about 269.8110449926. The cubic root of 72798 is about 41.7548071962.

The spelling of 72798 in words is "seventy-two thousand, seven hundred ninety-eight".