42072959 has 8 divisors (see below), whose sum is σ = 43944720. Its totient is φ = 40239936.

The previous prime is 42072931. The next prime is 42073027. The reversal of 42072959 is 95927024.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42072959 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 (42072259) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7454 + ... + 11819.

It is an arithmetic number, because the mean of its divisors is an integer number (5493090).

Almost surely, 2^42072959 is an apocalyptic number.

42072959 is a deficient number, since it is larger than the sum of its proper divisors (1871761).

42072959 is a wasteful number, since it uses less digits than its factorization.

42072959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19369.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 42072959 is about 6486.3671650624. The cubic root of 42072959 is about 347.8038237908.

The spelling of 42072959 in words is "forty-two million, seventy-two thousand, nine hundred fifty-nine".