42079782 has 8 divisors (see below), whose sum is σ = 84159576. Its totient is φ = 14026592.

The previous prime is 42079771. The next prime is 42079787. The reversal of 42079782 is 28797024.

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

42079782 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 42079782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42079787) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3506643 + ... + 3506654.

It is an arithmetic number, because the mean of its divisors is an integer number (10519947).

Almost surely, 2^42079782 is an apocalyptic number.

42079782 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.

42079782 is a wasteful number, since it uses less digits than its factorization.

42079782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7013302.

The product of its (nonzero) digits is 56448, while the sum is 39.

The square root of 42079782 is about 6486.8930929991. The cubic root of 42079782 is about 347.8226239678.

The spelling of 42079782 in words is "forty-two million, seventy-nine thousand, seven hundred eighty-two".