42918805 has 8 divisors (see below), whose sum is σ = 53741952. Its totient is φ = 32842128.

The previous prime is 42918797. The next prime is 42918847. The reversal of 42918805 is 50881924.

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 42918805 - 2³ = 42918797 is a prime.

It is a Duffinian 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, 186489 + ... + 186718.

It is an arithmetic number, because the mean of its divisors is an integer number (6717744).

Almost surely, 2^42918805 is an apocalyptic number.

It is an amenable number.

42918805 is a deficient number, since it is larger than the sum of its proper divisors (10823147).

42918805 is a wasteful number, since it uses less digits than its factorization.

42918805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373235.

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 42918805 is about 6551.2445382538. The cubic root of 42918805 is about 350.1191567077.

The spelling of 42918805 in words is "forty-two million, nine hundred eighteen thousand, eight hundred five".