42669742 has 8 divisors (see below), whose sum is σ = 64100376. Its totient is φ = 21302952.

The previous prime is 42669721. The next prime is 42669797. The reversal of 42669742 is 24796624.

42669742 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 junction number, because it is equal to n+sod(n) for n = 42669695 and 42669704.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 14253 + ... + 16984.

It is an arithmetic number, because the mean of its divisors is an integer number (8012547).

Almost surely, 2^42669742 is an apocalyptic number.

42669742 is a deficient number, since it is larger than the sum of its proper divisors (21430634).

42669742 is a wasteful number, since it uses less digits than its factorization.

42669742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31922.

The product of its digits is 145152, while the sum is 40.

The square root of 42669742 is about 6532.2080493505. The cubic root of 42669742 is about 349.4405811651.

The spelling of 42669742 in words is "forty-two million, six hundred sixty-nine thousand, seven hundred forty-two".