82078242 has 8 divisors (see below), whose sum is σ = 164156496. Its totient is φ = 27359412.

The previous prime is 82078229. The next prime is 82078259. The reversal of 82078242 is 24287028.

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

82078242 is an admirable number.

It is an unprimeable number.

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, 6839848 + ... + 6839859.

It is an arithmetic number, because the mean of its divisors is an integer number (20519562).

Almost surely, 2^82078242 is an apocalyptic number.

82078242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

82078242 is a wasteful number, since it uses less digits than its factorization.

82078242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13679712.

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

The square root of 82078242 is about 9059.7042998102. The cubic root of 82078242 is about 434.5862838872.

The spelling of 82078242 in words is "eighty-two million, seventy-eight thousand, two hundred forty-two".