42743658 has 16 divisors (see below), whose sum is σ = 87798240. Its totient is φ = 13862736.

The previous prime is 42743641. The next prime is 42743663. The reversal of 42743658 is 85634724.

It is a happy number.

42743658 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 96048 + ... + 96491.

It is an arithmetic number, because the mean of its divisors is an integer number (5487390).

Almost surely, 2^42743658 is an apocalyptic number.

42743658 is an abundant number, since it is smaller than the sum of its proper divisors (45054582).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42743658 is a wasteful number, since it uses less digits than its factorization.

42743658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192581.

The product of its digits is 161280, while the sum is 39.

The square root of 42743658 is about 6537.8634124613. The cubic root of 42743658 is about 349.6422412378.

The spelling of 42743658 in words is "forty-two million, seven hundred forty-three thousand, six hundred fifty-eight".