42115718 has 16 divisors (see below), whose sum is σ = 63977904. Its totient is φ = 20791680.

The previous prime is 42115699. The next prime is 42115727. The reversal of 42115718 is 81751124.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76721 + ... + 77267.

It is an arithmetic number, because the mean of its divisors is an integer number (3998619).

Almost surely, 2^42115718 is an apocalyptic number.

42115718 is a deficient number, since it is larger than the sum of its proper divisors (21862186).

42115718 is a wasteful number, since it uses less digits than its factorization.

42115718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967.

The product of its digits is 2240, while the sum is 29.

The square root of 42115718 is about 6489.6623949170. The cubic root of 42115718 is about 347.9216089337.

The spelling of 42115718 in words is "forty-two million, one hundred fifteen thousand, seven hundred eighteen".