8472478 has 8 divisors (see below), whose sum is σ = 14524272. Its totient is φ = 3631056.

The previous prime is 8472469. The next prime is 8472479. The reversal of 8472478 is 8742748.

It is a happy number.

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

It is a self number, because there is not a number n which added to its sum of digits gives 8472478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8472479) 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, 302575 + ... + 302602.

It is an arithmetic number, because the mean of its divisors is an integer number (1815534).

Almost surely, 2^8472478 is an apocalyptic number.

8472478 is a deficient number, since it is larger than the sum of its proper divisors (6051794).

8472478 is a wasteful number, since it uses less digits than its factorization.

8472478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605186.

The product of its digits is 100352, while the sum is 40.

The square root of 8472478 is about 2910.7521364761. The cubic root of 8472478 is about 203.8622516192.

The spelling of 8472478 in words is "eight million, four hundred seventy-two thousand, four hundred seventy-eight".