472445685 has 12 divisors (see below), whose sum is σ = 818905932. Its totient is φ = 251971008.

The previous prime is 472445681. The next prime is 472445689. The reversal of 472445685 is 586544274.

472445685 is a `hidden beast` number, since 47 + 2 + 44 + 568 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (472445681) and next prime (472445689).

It can be written as a sum of positive squares in 2 ways, for example, as 341732196 + 130713489 = 18486^2 + 11433^2 .

It is not a de Polignac number, because 472445685 - 2² = 472445681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 10498793 = 472445685 / (4 + 7 + 2 + 4 + 4 + 5 + 6 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 472445685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472445681) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5249352 + ... + 5249441.

It is an arithmetic number, because the mean of its divisors is an integer number (68242161).

Almost surely, 2^472445685 is an apocalyptic number.

472445685 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

472445685 is a deficient number, since it is larger than the sum of its proper divisors (346460247).

472445685 is a wasteful number, since it uses less digits than its factorization.

472445685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10498804 (or 10498801 counting only the distinct ones).

The product of its digits is 1075200, while the sum is 45.

The square root of 472445685 is about 21735.8157196826. The cubic root of 472445685 is about 778.8442696560.

The spelling of 472445685 in words is "four hundred seventy-two million, four hundred forty-five thousand, six hundred eighty-five".