470007947 has 4 divisors (see below), whose sum is σ = 471014856. Its totient is φ = 469001040.

The previous prime is 470007913. The next prime is 470007953. The reversal of 470007947 is 749700074.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-470007947 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 470007947.

It is not an unprimeable number, because it can be changed into a prime (470007977) by changing a digit.

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, 502754 + ... + 503687.

It is an arithmetic number, because the mean of its divisors is an integer number (117753714).

Almost surely, 2^470007947 is an apocalyptic number.

470007947 is a deficient number, since it is larger than the sum of its proper divisors (1006909).

470007947 is a wasteful number, since it uses less digits than its factorization.

470007947 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006908.

The product of its (nonzero) digits is 49392, while the sum is 38.

The square root of 470007947 is about 21679.6666717918. Note that the first 4 decimals coincide. The cubic root of 470007947 is about 777.5023918207.

The spelling of 470007947 in words is "four hundred seventy million, seven thousand, nine hundred forty-seven".