72371122 has 16 divisors (see below), whose sum is σ = 110502720. Its totient is φ = 35540208.

The previous prime is 72371119. The next prime is 72371141. The reversal of 72371122 is 22117327.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64704 + ... + 65812.

It is an arithmetic number, because the mean of its divisors is an integer number (6906420).

Almost surely, 2^72371122 is an apocalyptic number.

72371122 is a deficient number, since it is larger than the sum of its proper divisors (38131598).

72371122 is a wasteful number, since it uses less digits than its factorization.

72371122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665.

The product of its digits is 1176, while the sum is 25.

The square root of 72371122 is about 8507.1218399644. The cubic root of 72371122 is about 416.7303222924.

Adding to 72371122 its reverse (22117327), we get a palindrome (94488449).

The spelling of 72371122 in words is "seventy-two million, three hundred seventy-one thousand, one hundred twenty-two".