42748585 has 8 divisors (see below), whose sum is σ = 55961856. Its totient is φ = 31089840.

The previous prime is 42748577. The next prime is 42748619. The reversal of 42748585 is 58584724.

It is a happy number.

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

It is not a de Polignac number, because 42748585 - 2³ = 42748577 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388569 + ... + 388678.

It is an arithmetic number, because the mean of its divisors is an integer number (6995232).

Almost surely, 2^42748585 is an apocalyptic number.

It is an amenable number.

42748585 is a deficient number, since it is larger than the sum of its proper divisors (13213271).

42748585 is a wasteful number, since it uses less digits than its factorization.

42748585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777263.

The product of its digits is 358400, while the sum is 43.

The square root of 42748585 is about 6538.2402066611. The cubic root of 42748585 is about 349.6556749745.

The spelling of 42748585 in words is "forty-two million, seven hundred forty-eight thousand, five hundred eighty-five".