8078642 has 32 divisors (see below), whose sum is σ = 14563584. Its totient is φ = 3312000.

The previous prime is 8078627. The next prime is 8078647. The reversal of 8078642 is 2468708.

It is not an unprimeable number, because it can be changed into a prime (8078647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13142 + ... + 13742.

It is an arithmetic number, because the mean of its divisors is an integer number (455112).

Almost surely, 2^8078642 is an apocalyptic number.

8078642 is a deficient number, since it is larger than the sum of its proper divisors (6484942).

8078642 is a wasteful number, since it uses less digits than its factorization.

8078642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 21504, while the sum is 35.

The square root of 8078642 is about 2842.2951993064. The cubic root of 8078642 is about 200.6532142332.

It can be divided in two parts, 807 and 8642, that added together give a palindrome (9449).

The spelling of 8078642 in words is "eight million, seventy-eight thousand, six hundred forty-two".