8272478 has 4 divisors (see below), whose sum is σ = 12408720. Its totient is φ = 4136238.

The previous prime is 8272463. The next prime is 8272483. The reversal of 8272478 is 8742728.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2068118 + ... + 2068121.

It is an arithmetic number, because the mean of its divisors is an integer number (3102180).

Almost surely, 2^8272478 is an apocalyptic number.

8272478 is a deficient number, since it is larger than the sum of its proper divisors (4136242).

8272478 is a wasteful number, since it uses less digits than its factorization.

8272478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136241.

The product of its digits is 50176, while the sum is 38.

The square root of 8272478 is about 2876.1915791546. The cubic root of 8272478 is about 202.2453477335.

The spelling of 8272478 in words is "eight million, two hundred seventy-two thousand, four hundred seventy-eight".