472219705 has 4 divisors (see below), whose sum is σ = 566663652. Its totient is φ = 377775760.

The previous prime is 472219663. The next prime is 472219717. The reversal of 472219705 is 507912274.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 99420841 + 372798864 = 9971^2 + 19308^2 .

It is not a de Polignac number, because 472219705 - 2¹³ = 472211513 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47221966 + ... + 47221975.

It is an arithmetic number, because the mean of its divisors is an integer number (141665913).

Almost surely, 2^472219705 is an apocalyptic number.

It is an amenable number.

472219705 is a deficient number, since it is larger than the sum of its proper divisors (94443947).

472219705 is an equidigital number, since it uses as much as digits as its factorization.

472219705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94443946.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 472219705 is about 21730.6167652922. The cubic root of 472219705 is about 778.7200710423.

The spelling of 472219705 in words is "four hundred seventy-two million, two hundred nineteen thousand, seven hundred five".