72276111 has 8 divisors (see below), whose sum is σ = 107075760. Its totient is φ = 48184056.

The previous prime is 72276103. The next prime is 72276137. The reversal of 72276111 is 11167227.

It is not a de Polignac number, because 72276111 - 2³ = 72276103 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 2676893 = 72276111 / (7 + 2 + 2 + 7 + 6 + 1 + 1 + 1).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72276101) 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, 1338420 + ... + 1338473.

It is an arithmetic number, because the mean of its divisors is an integer number (13384470).

Almost surely, 2^72276111 is an apocalyptic number.

72276111 is a deficient number, since it is larger than the sum of its proper divisors (34799649).

72276111 is a wasteful number, since it uses less digits than its factorization.

72276111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676902 (or 2676896 counting only the distinct ones).

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

The square root of 72276111 is about 8501.5358024301. The cubic root of 72276111 is about 416.5478770347.

The spelling of 72276111 in words is "seventy-two million, two hundred seventy-six thousand, one hundred eleven".