7678042 has 8 divisors (see below), whose sum is σ = 11542176. Its totient is φ = 3830652.

The previous prime is 7678031. The next prime is 7678043. The reversal of 7678042 is 2408767.

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

It is a junction number, because it is equal to n+sod(n) for n = 7677989 and 7678007.

It is not an unprimeable number, because it can be changed into a prime (7678043) 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, 2968 + ... + 4915.

It is an arithmetic number, because the mean of its divisors is an integer number (1442772).

Almost surely, 2^7678042 is an apocalyptic number.

7678042 is a deficient number, since it is larger than the sum of its proper divisors (3864134).

7678042 is a wasteful number, since it uses less digits than its factorization.

7678042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8372.

The product of its (nonzero) digits is 18816, while the sum is 34.

The square root of 7678042 is about 2770.9280033953. The cubic root of 7678042 is about 197.2801977045.

The spelling of 7678042 in words is "seven million, six hundred seventy-eight thousand, forty-two".