42065742 has 8 divisors (see below), whose sum is σ = 84131496. Its totient is φ = 14021912.

The previous prime is 42065741. The next prime is 42065767. The reversal of 42065742 is 24756024.

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

42065742 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42065741) 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, 3505473 + ... + 3505484.

It is an arithmetic number, because the mean of its divisors is an integer number (10516437).

Almost surely, 2^42065742 is an apocalyptic number.

42065742 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.

42065742 is a wasteful number, since it uses less digits than its factorization.

42065742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7010962.

The product of its (nonzero) digits is 13440, while the sum is 30.

The square root of 42065742 is about 6485.8108205528. The cubic root of 42065742 is about 347.7839357694.

It can be divided in two parts, 4206574 and 2, that multiplied together give a palindrome (8413148).

The spelling of 42065742 in words is "forty-two million, sixty-five thousand, seven hundred forty-two".