72196911 has 12 divisors (see below), whose sum is σ = 104362440. Its totient is φ = 48095280.

The previous prime is 72196897. The next prime is 72196933. The reversal of 72196911 is 11969127.

It is not a de Polignac number, because 72196911 - 2¹⁰ = 72195887 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72196951) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16105 + ... + 20093.

It is an arithmetic number, because the mean of its divisors is an integer number (8696870).

Almost surely, 2^72196911 is an apocalyptic number.

72196911 is a deficient number, since it is larger than the sum of its proper divisors (32165529).

72196911 is a wasteful number, since it uses less digits than its factorization.

72196911 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6006 (or 6003 counting only the distinct ones).

The product of its digits is 6804, while the sum is 36.

The square root of 72196911 is about 8496.8765437660. The cubic root of 72196911 is about 416.3956706828.

The spelling of 72196911 in words is "seventy-two million, one hundred ninety-six thousand, nine hundred eleven".