472045665 has 96 divisors (see below), whose sum is σ = 956067840. Its totient is φ = 197116416.

The previous prime is 472045663. The next prime is 472045699. The reversal of 472045665 is 566540274.

It is not a de Polignac number, because 472045665 - 2¹ = 472045663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472045663) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1213291 + ... + 1213679.

It is an arithmetic number, because the mean of its divisors is an integer number (9959040).

Almost surely, 2^472045665 is an apocalyptic number.

It is an amenable number.

472045665 is an abundant number, since it is smaller than the sum of its proper divisors (484022175).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

472045665 is a wasteful number, since it uses less digits than its factorization.

472045665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551 (or 544 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 39.

The square root of 472045665 is about 21726.6119079805. The cubic root of 472045665 is about 778.6243916420.

The spelling of 472045665 in words is "four hundred seventy-two million, forty-five thousand, six hundred sixty-five".