472445 has 8 divisors (see below), whose sum is σ = 576600. Its totient is φ = 371520.

The previous prime is 472421. The next prime is 472457. The reversal of 472445 is 544274.

It can be written as a sum of positive squares in 4 ways, for example, as 1849 + 470596 = 43^2 + 686^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 472445 - 2⁸ = 472189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 470 + ... + 1079.

It is an arithmetic number, because the mean of its divisors is an integer number (72075).

2⁴⁷²⁴⁴⁵ is an apocalyptic number.

It is an amenable number.

472445 is a deficient number, since it is larger than the sum of its proper divisors (104155).

472445 is a wasteful number, since it uses less digits than its factorization.

472445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615.

The product of its digits is 4480, while the sum is 26.

The square root of 472445 is about 687.3463464659. The cubic root of 472445 is about 77.8843893240.

The spelling of 472445 in words is "four hundred seventy-two thousand, four hundred forty-five".