42768479 has 8 divisors (see below), whose sum is σ = 46122720. Its totient is φ = 39423456.

The previous prime is 42768463. The next prime is 42768491. The reversal of 42768479 is 97486724.

42768479 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 42768479 - 2⁴ = 42768463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42768419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9677 + ... + 13385.

It is an arithmetic number, because the mean of its divisors is an integer number (5765340).

Almost surely, 2^42768479 is an apocalyptic number.

42768479 is a deficient number, since it is larger than the sum of its proper divisors (3354241).

42768479 is a wasteful number, since it uses less digits than its factorization.

42768479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609.

The product of its digits is 677376, while the sum is 47.

The square root of 42768479 is about 6539.7613870844. The cubic root of 42768479 is about 349.7099065646.

The spelling of 42768479 in words is "forty-two million, seven hundred sixty-eight thousand, four hundred seventy-nine".