472871947 has 4 divisors (see below), whose sum is σ = 474937120. Its totient is φ = 470806776.

The previous prime is 472871921. The next prime is 472871957. The reversal of 472871947 is 749178274.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 472871947 - 2¹¹ = 472869899 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 472871947.

It is not an unprimeable number, because it can be changed into a prime (472871957) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1032243 + ... + 1032700.

It is an arithmetic number, because the mean of its divisors is an integer number (118734280).

Almost surely, 2^472871947 is an apocalyptic number.

472871947 is a deficient number, since it is larger than the sum of its proper divisors (2065173).

472871947 is a wasteful number, since it uses less digits than its factorization.

472871947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065172.

The product of its digits is 790272, while the sum is 49.

The square root of 472871947 is about 21745.6190300483. The cubic root of 472871947 is about 779.0784354946.

The spelling of 472871947 in words is "four hundred seventy-two million, eight hundred seventy-one thousand, nine hundred forty-seven".