7948478 has 16 divisors (see below), whose sum is σ = 12631680. Its totient is φ = 3743256.

The previous prime is 7948477. The next prime is 7948487. The reversal of 7948478 is 8748497.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7948477) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 1793 + ... + 4371.

It is an arithmetic number, because the mean of its divisors is an integer number (789480).

Almost surely, 2^7948478 is an apocalyptic number.

7948478 is a deficient number, since it is larger than the sum of its proper divisors (4683202).

7948478 is a wasteful number, since it uses less digits than its factorization.

7948478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2671.

The product of its digits is 451584, while the sum is 47.

The square root of 7948478 is about 2819.3045241690. The cubic root of 7948478 is about 199.5697249809.

The spelling of 7948478 in words is "seven million, nine hundred forty-eight thousand, four hundred seventy-eight".