42717742 has 8 divisors (see below), whose sum is σ = 64117800. Its totient is φ = 21345144.

The previous prime is 42717713. The next prime is 42717767. The reversal of 42717742 is 24771724.

It is a happy number.

42717742 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 = 42717698 and 42717707.

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, 2392 + ... + 9547.

It is an arithmetic number, because the mean of its divisors is an integer number (8014725).

Almost surely, 2^42717742 is an apocalyptic number.

42717742 is a deficient number, since it is larger than the sum of its proper divisors (21400058).

42717742 is a wasteful number, since it uses less digits than its factorization.

42717742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13730.

The product of its digits is 21952, while the sum is 34.

The square root of 42717742 is about 6535.8811188699. The cubic root of 42717742 is about 349.5715628362.

The spelling of 42717742 in words is "forty-two million, seven hundred seventeen thousand, seven hundred forty-two".