472097506 has 4 divisors (see below), whose sum is σ = 708146262. Its totient is φ = 236048752.

The previous prime is 472097491. The next prime is 472097567. The reversal of 472097506 is 605790274.

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

It can be written as a sum of positive squares in only one way, i.e., 302446881 + 169650625 = 17391^2 + 13025^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 118024375 + ... + 118024378.

Almost surely, 2^472097506 is an apocalyptic number.

472097506 is a deficient number, since it is larger than the sum of its proper divisors (236048756).

472097506 is a wasteful number, since it uses less digits than its factorization.

472097506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236048755.

The product of its (nonzero) digits is 105840, while the sum is 40.

The square root of 472097506 is about 21727.8049052361. The cubic root of 472097506 is about 778.6528939618.

The spelling of 472097506 in words is "four hundred seventy-two million, ninety-seven thousand, five hundred six".