472640611 has 4 divisors (see below), whose sum is σ = 473174352. Its totient is φ = 472106872.

The previous prime is 472640573. The next prime is 472640621. The reversal of 472640611 is 116046274.

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 472640611 - 2⁹ = 472640099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (472640621) 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, 265540 + ... + 267313.

It is an arithmetic number, because the mean of its divisors is an integer number (118293588).

Almost surely, 2^472640611 is an apocalyptic number.

472640611 is a deficient number, since it is larger than the sum of its proper divisors (533741).

472640611 is an equidigital number, since it uses as much as digits as its factorization.

472640611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533740.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 472640611 is about 21740.2992389709. The cubic root of 472640611 is about 778.9513691797.

Adding to 472640611 its reverse (116046274), we get a palindrome (588686885).

The spelling of 472640611 in words is "four hundred seventy-two million, six hundred forty thousand, six hundred eleven".