42117548 has 24 divisors (see below), whose sum is σ = 81031104. Its totient is φ = 18995600.

The previous prime is 42117539. The next prime is 42117553. The reversal of 42117548 is 84571124.

It is a happy 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, 2111 + ... + 9417.

It is an arithmetic number, because the mean of its divisors is an integer number (3376296).

Almost surely, 2^42117548 is an apocalyptic number.

It is an amenable number.

42117548 is a deficient number, since it is larger than the sum of its proper divisors (38913556).

42117548 is a wasteful number, since it uses less digits than its factorization.

42117548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7453 (or 7451 counting only the distinct ones).

The product of its digits is 8960, while the sum is 32.

The square root of 42117548 is about 6489.8033868523. The cubic root of 42117548 is about 347.9266481238.

The spelling of 42117548 in words is "forty-two million, one hundred seventeen thousand, five hundred forty-eight".