8042478 has 16 divisors (see below), whose sum is σ = 16477776. Its totient is φ = 2615360.

The previous prime is 8042477. The next prime is 8042509. The reversal of 8042478 is 8742408.

It is a super-3 number, since 3×8042478³ (a number of 22 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8042471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16101 + ... + 16592.

It is an arithmetic number, because the mean of its divisors is an integer number (1029861).

Almost surely, 2^8042478 is an apocalyptic number.

8042478 is an abundant number, since it is smaller than the sum of its proper divisors (8435298).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8042478 is a wasteful number, since it uses less digits than its factorization.

8042478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32739.

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 8042478 is about 2835.9263036969. The cubic root of 8042478 is about 200.3533586540.

The spelling of 8042478 in words is "eight million, forty-two thousand, four hundred seventy-eight".