42017801 has 8 divisors (see below), whose sum is σ = 48059904. Its totient is φ = 35985600.

The previous prime is 42017791. The next prime is 42017813. The reversal of 42017801 is 10871024.

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

It is a de Polignac number, because none of the positive numbers 2^k-42017801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42017821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13601 + ... + 16401.

It is an arithmetic number, because the mean of its divisors is an integer number (6007488).

Almost surely, 2^42017801 is an apocalyptic number.

It is an amenable number.

42017801 is a deficient number, since it is larger than the sum of its proper divisors (6042103).

42017801 is a wasteful number, since it uses less digits than its factorization.

42017801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4951.

The product of its (nonzero) digits is 448, while the sum is 23.

The square root of 42017801 is about 6482.1139298843. The cubic root of 42017801 is about 347.6517660843.

Adding to 42017801 its reverse (10871024), we get a palindrome (52888825).

The spelling of 42017801 in words is "forty-two million, seventeen thousand, eight hundred one".