42446717 has 4 divisors (see below), whose sum is σ = 42479136. Its totient is φ = 42414300.

The previous prime is 42446713. The next prime is 42446731. The reversal of 42446717 is 71764424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 42446717 - 2² = 42446713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446713) by changing a digit.

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, 14159 + ... + 16892.

It is an arithmetic number, because the mean of its divisors is an integer number (10619784).

Almost surely, 2^42446717 is an apocalyptic number.

It is an amenable number.

42446717 is a deficient number, since it is larger than the sum of its proper divisors (32419).

42446717 is a wasteful number, since it uses less digits than its factorization.

42446717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32418.

The product of its digits is 37632, while the sum is 35.

The square root of 42446717 is about 6515.1145039823. The cubic root of 42446717 is about 348.8307019809.

The spelling of 42446717 in words is "forty-two million, four hundred forty-six thousand, seven hundred seventeen".