470740505 has 8 divisors (see below), whose sum is σ = 565139400. Its totient is φ = 376425216.

The previous prime is 470740493. The next prime is 470740507. The reversal of 470740505 is 505047074.

It can be written as a sum of positive squares in 4 ways, for example, as 18412681 + 452327824 = 4291^2 + 21268^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470740505 is a prime.

It is not an unprimeable number, because it can be changed into a prime (470740507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7760 + ... + 31649.

It is an arithmetic number, because the mean of its divisors is an integer number (70642425).

Almost surely, 2^470740505 is an apocalyptic number.

It is an amenable number.

470740505 is a deficient number, since it is larger than the sum of its proper divisors (94398895).

470740505 is a wasteful number, since it uses less digits than its factorization.

470740505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41803.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 470740505 is about 21696.5551413122. Note that the first 3 decimals coincide. The cubic root of 470740505 is about 777.9061225427.

Adding to 470740505 its reverse (505047074), we get a palindrome (975787579).

The spelling of 470740505 in words is "four hundred seventy million, seven hundred forty thousand, five hundred five".