472642111 has 8 divisors (see below), whose sum is σ = 504662400. Its totient is φ = 441577752.

The previous prime is 472642073. The next prime is 472642123. The reversal of 472642111 is 111246274.

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 472642111 - 2¹⁵ = 472609343 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472642111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472642411) 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, 237961 + ... + 239938.

It is an arithmetic number, because the mean of its divisors is an integer number (63082800).

Almost surely, 2^472642111 is an apocalyptic number.

472642111 is a deficient number, since it is larger than the sum of its proper divisors (32020289).

472642111 is a wasteful number, since it uses less digits than its factorization.

472642111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477965.

The product of its digits is 2688, while the sum is 28.

The square root of 472642111 is about 21740.3337370888. Note that the first 3 decimals coincide. The cubic root of 472642111 is about 778.9521932208.

Adding to 472642111 its reverse (111246274), we get a palindrome (583888385).

The spelling of 472642111 in words is "four hundred seventy-two million, six hundred forty-two thousand, one hundred eleven".