42343742 has 24 divisors (see below), whose sum is σ = 77777640. Its totient is φ = 17191440.

The previous prime is 42343733. The next prime is 42343751. The reversal of 42343742 is 24734324.

42343742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42343733) and next prime (42343751).

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 11 ways as a sum of consecutive naturals, for example, 9509 + ... + 13232.

It is an arithmetic number, because the mean of its divisors is an integer number (3240735).

Almost surely, 2^42343742 is an apocalyptic number.

42343742 is a deficient number, since it is larger than the sum of its proper divisors (35433898).

42343742 is a wasteful number, since it uses less digits than its factorization.

42343742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22776 (or 22769 counting only the distinct ones).

The product of its digits is 16128, while the sum is 29.

The square root of 42343742 is about 6507.2069277072. The cubic root of 42343742 is about 348.5483878149.

The spelling of 42343742 in words is "forty-two million, three hundred forty-three thousand, seven hundred forty-two".