72888422 has 8 divisors (see below), whose sum is σ = 109369056. Its totient is φ = 36432072.

The previous prime is 72888407. The next prime is 72888433. The reversal of 72888422 is 22488827.

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 72888422.

It is a congruent number.

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, 7523 + ... + 14225.

It is an arithmetic number, because the mean of its divisors is an integer number (13671132).

Almost surely, 2^72888422 is an apocalyptic number.

72888422 is a deficient number, since it is larger than the sum of its proper divisors (36480634).

72888422 is a wasteful number, since it uses less digits than its factorization.

72888422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12142.

The product of its digits is 114688, while the sum is 41.

The square root of 72888422 is about 8537.4716397772. The cubic root of 72888422 is about 417.7208784981.

The spelling of 72888422 in words is "seventy-two million, eight hundred eighty-eight thousand, four hundred twenty-two".