72672111 has 24 divisors (see below), whose sum is σ = 109905120. Its totient is φ = 46185216.

The previous prime is 72672079. The next prime is 72672137. The reversal of 72672111 is 11127627.

It is not a de Polignac number, because 72672111 - 2⁵ = 72672079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72672311) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117475 + ... + 118091.

It is an arithmetic number, because the mean of its divisors is an integer number (4579380).

Almost surely, 2^72672111 is an apocalyptic number.

72672111 is a deficient number, since it is larger than the sum of its proper divisors (37233009).

72672111 is a wasteful number, since it uses less digits than its factorization.

72672111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1212 counting only the distinct ones).

The product of its digits is 1176, while the sum is 27.

The square root of 72672111 is about 8524.7938978019. The cubic root of 72672111 is about 417.3072455739.

Adding to 72672111 its reverse (11127627), we get a palindrome (83799738).

The spelling of 72672111 in words is "seventy-two million, six hundred seventy-two thousand, one hundred eleven".