42457598 has 8 divisors (see below), whose sum is σ = 65167608. Its totient is φ = 20735064.

The previous prime is 42457567. The next prime is 42457601. The reversal of 42457598 is 89575424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246761 + ... + 246932.

It is an arithmetic number, because the mean of its divisors is an integer number (8145951).

Almost surely, 2^42457598 is an apocalyptic number.

42457598 is a deficient number, since it is larger than the sum of its proper divisors (22710010).

42457598 is a wasteful number, since it uses less digits than its factorization.

42457598 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493738.

The product of its digits is 403200, while the sum is 44.

The square root of 42457598 is about 6515.9495087055. The cubic root of 42457598 is about 348.8605064264.

The spelling of 42457598 in words is "forty-two million, four hundred fifty-seven thousand, five hundred ninety-eight".