472683645 has 54 divisors (see below), whose sum is σ = 955147518. Its totient is φ = 215617248.

The previous prime is 472683643. The next prime is 472683667. The reversal of 472683645 is 546386274.

It can be written as a sum of positive squares in only one way, i.e., 378146916 + 94536729 = 19446^2 + 9723^2 .

It is not a de Polignac number, because 472683645 - 2¹ = 472683643 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 472683645.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (472683643) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1020684 + ... + 1021146.

It is an arithmetic number, because the mean of its divisors is an integer number (17687917).

Almost surely, 2^472683645 is an apocalyptic number.

472683645 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

472683645 is an abundant number, since it is smaller than the sum of its proper divisors (482463873).

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

472683645 is an equidigital number, since it uses as much as digits as its factorization.

472683645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951 (or 478 counting only the distinct ones).

The product of its digits is 967680, while the sum is 45.

The square root of 472683645 is about 21741.2889452305. The cubic root of 472683645 is about 778.9750096761.

Multiplying 472683645 by its sum of digits (45), we get a square (21270764025 = 145845²).

472683645 divided by its sum of digits (45) gives a square (10504081 = 3241²).

The spelling of 472683645 in words is "four hundred seventy-two million, six hundred eighty-three thousand, six hundred forty-five".