42457734 has 24 divisors (see below), whose sum is σ = 100355112. Its totient is φ = 12865920.

The previous prime is 42457703. The next prime is 42457741. The reversal of 42457734 is 43775424.

42457734 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 107019 + ... + 107414.

It is an arithmetic number, because the mean of its divisors is an integer number (4181463).

Almost surely, 2^42457734 is an apocalyptic number.

42457734 is an abundant number, since it is smaller than the sum of its proper divisors (57897378).

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

42457734 is a wasteful number, since it uses less digits than its factorization.

42457734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214452 (or 214449 counting only the distinct ones).

The product of its digits is 94080, while the sum is 36.

The square root of 42457734 is about 6515.9599446283. The cubic root of 42457734 is about 348.8608789155.

The spelling of 42457734 in words is "forty-two million, four hundred fifty-seven thousand, seven hundred thirty-four".