42740659 has 8 divisors (see below), whose sum is σ = 46612160. Its totient is φ = 38952576.

The previous prime is 42740657. The next prime is 42740681. The reversal of 42740659 is 95604724.

42740659 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 not a de Polignac number, because 42740659 - 2¹ = 42740657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42740653) 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, 19782 + ... + 21835.

It is an arithmetic number, because the mean of its divisors is an integer number (5826520).

Almost surely, 2^42740659 is an apocalyptic number.

42740659 is a deficient number, since it is larger than the sum of its proper divisors (3871501).

42740659 is a wasteful number, since it uses less digits than its factorization.

42740659 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41709.

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

The square root of 42740659 is about 6537.6340521629. The cubic root of 42740659 is about 349.6340637938.

The spelling of 42740659 in words is "forty-two million, seven hundred forty thousand, six hundred fifty-nine".