470505505 has 32 divisors (see below), whose sum is σ = 595238688. Its totient is φ = 356659200.

The previous prime is 470505491. The next prime is 470505533. The reversal of 470505505 is 505505074.

It can be written as a sum of positive squares in 16 ways, for example, as 12845056 + 457660449 = 3584^2 + 21393^2 .

It is not a de Polignac number, because 470505505 - 2⁵ = 470505473 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 31 ways as a sum of consecutive naturals, for example, 1952185 + ... + 1952425.

It is an arithmetic number, because the mean of its divisors is an integer number (18601209).

Almost surely, 2^470505505 is an apocalyptic number.

It is an amenable number.

470505505 is a deficient number, since it is larger than the sum of its proper divisors (124733183).

470505505 is a wasteful number, since it uses less digits than its factorization.

470505505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 470505505 is about 21691.1388589903. The cubic root of 470505505 is about 777.7766539251.

The spelling of 470505505 in words is "four hundred seventy million, five hundred five thousand, five hundred five".