42065479 has 8 divisors (see below), whose sum is σ = 42703920. Its totient is φ = 41430336.

The previous prime is 42065477. The next prime is 42065483. The reversal of 42065479 is 97456024.

42065479 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 42065479 - 2¹ = 42065477 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 (42065477) 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, 37377 + ... + 38485.

It is an arithmetic number, because the mean of its divisors is an integer number (5337990).

Almost surely, 2^42065479 is an apocalyptic number.

42065479 is a deficient number, since it is larger than the sum of its proper divisors (638441).

42065479 is a wasteful number, since it uses less digits than its factorization.

42065479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1649.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 42065479 is about 6485.7905454925. The cubic root of 42065479 is about 347.7832109724.

The spelling of 42065479 in words is "forty-two million, sixty-five thousand, four hundred seventy-nine".