72814111 has 4 divisors (see below), whose sum is σ = 77097312. Its totient is φ = 68530912.

The previous prime is 72814087. The next prime is 72814127. The reversal of 72814111 is 11141827.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11141827 = 233 ⋅47819.

It is a cyclic number.

It is not a de Polignac number, because 72814111 - 2¹¹ = 72812063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72814151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2141575 + ... + 2141608.

It is an arithmetic number, because the mean of its divisors is an integer number (19274328).

Almost surely, 2^72814111 is an apocalyptic number.

72814111 is a deficient number, since it is larger than the sum of its proper divisors (4283201).

72814111 is a wasteful number, since it uses less digits than its factorization.

72814111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4283200.

The product of its digits is 448, while the sum is 25.

The square root of 72814111 is about 8533.1184803681. The cubic root of 72814111 is about 417.5788723543.

Adding to 72814111 its reverse (11141827), we get a palindrome (83955938).

The spelling of 72814111 in words is "seventy-two million, eight hundred fourteen thousand, one hundred eleven".