72112711 has 8 divisors (see below), whose sum is σ = 80342784. Its totient is φ = 64161720.

The previous prime is 72112699. The next prime is 72112717. The reversal of 72112711 is 11721127.

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

It is a cyclic number.

It is not a de Polignac number, because 72112711 - 2⁷ = 72112583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72112717) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69225 + ... + 70258.

It is an arithmetic number, because the mean of its divisors is an integer number (10042848).

Almost surely, 2^72112711 is an apocalyptic number.

72112711 is a deficient number, since it is larger than the sum of its proper divisors (8230073).

72112711 is a wasteful number, since it uses less digits than its factorization.

72112711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139541.

The product of its digits is 196, while the sum is 22.

The square root of 72112711 is about 8491.9203364139. The cubic root of 72112711 is about 416.2337332183.

Adding to 72112711 its reverse (11721127), we get a palindrome (83833838).

It can be divided in two parts, 721127 and 11, that multiplied together give a palindrome (7932397).

The spelling of 72112711 in words is "seventy-two million, one hundred twelve thousand, seven hundred eleven".