72560111 has 4 divisors (see below), whose sum is σ = 78141672. Its totient is φ = 66978552.

The previous prime is 72560099. The next prime is 72560113. The reversal of 72560111 is 11106527.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72560111 - 2¹⁰ = 72559087 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 (72560113) 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, 2790761 + ... + 2790786.

It is an arithmetic number, because the mean of its divisors is an integer number (19535418).

Almost surely, 2^72560111 is an apocalyptic number.

72560111 is a deficient number, since it is larger than the sum of its proper divisors (5581561).

72560111 is a wasteful number, since it uses less digits than its factorization.

72560111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5581560.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 72560111 is about 8518.2222910652. Note that the first 4 decimals coincide. The cubic root of 72560111 is about 417.0927550262.

Adding to 72560111 its reverse (11106527), we get a palindrome (83666638).

The spelling of 72560111 in words is "seventy-two million, five hundred sixty thousand, one hundred eleven".