42117710 has 16 divisors (see below), whose sum is σ = 76174992. Its totient is φ = 16766400.

The previous prime is 42117703. The next prime is 42117727. The reversal of 42117710 is 1771124.

It is a congruent 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, 7871 + ... + 12090.

It is an arithmetic number, because the mean of its divisors is an integer number (4760937).

Almost surely, 2^42117710 is an apocalyptic number.

42117710 is a deficient number, since it is larger than the sum of its proper divisors (34057282).

42117710 is a wasteful number, since it uses less digits than its factorization.

42117710 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20179.

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 42117710 is about 6489.8158679580. The cubic root of 42117710 is about 347.9270942090.

Adding to 42117710 its reverse (1771124), we get a palindrome (43888834).

The spelling of 42117710 in words is "forty-two million, one hundred seventeen thousand, seven hundred ten".