72111098 has 8 divisors (see below), whose sum is σ = 110000160. Its totient is φ = 35444380.

The previous prime is 72111073. The next prime is 72111103. The reversal of 72111098 is 89011127.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 72111098.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 305438 + ... + 305673.

It is an arithmetic number, because the mean of its divisors is an integer number (13750020).

Almost surely, 2^72111098 is an apocalyptic number.

72111098 is a deficient number, since it is larger than the sum of its proper divisors (37889062).

72111098 is a wasteful number, since it uses less digits than its factorization.

72111098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611172.

The product of its (nonzero) digits is 1008, while the sum is 29.

The square root of 72111098 is about 8491.8253632538. The cubic root of 72111098 is about 416.2306297894.

Adding to 72111098 its sum of digits (29), we get a palindrome (72111127).

The spelling of 72111098 in words is "seventy-two million, one hundred eleven thousand, ninety-eight".