42618017 has 8 divisors (see below), whose sum is σ = 46370856. Its totient is φ = 38932992.

The previous prime is 42618013. The next prime is 42618029. The reversal of 42618017 is 71081624.

It can be written as a sum of positive squares in 4 ways, for example, as 614656 + 42003361 = 784^2 + 6481^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 42618017 - 2² = 42618013 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42618013) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15638 + ... + 18159.

It is an arithmetic number, because the mean of its divisors is an integer number (5796357).

Almost surely, 2^42618017 is an apocalyptic number.

It is an amenable number.

42618017 is a deficient number, since it is larger than the sum of its proper divisors (3752839).

42618017 is a wasteful number, since it uses less digits than its factorization.

42618017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33907.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 42618017 is about 6528.2476209164. The cubic root of 42618017 is about 349.2993247644.

The spelling of 42618017 in words is "forty-two million, six hundred eighteen thousand, seventeen".