42805214 has 24 divisors (see below), whose sum is σ = 68552568. Its totient is φ = 20041200.

The previous prime is 42805211. The next prime is 42805219. The reversal of 42805214 is 41250824.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42805211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 72629 + ... + 73215.

It is an arithmetic number, because the mean of its divisors is an integer number (2856357).

Almost surely, 2^42805214 is an apocalyptic number.

42805214 is a deficient number, since it is larger than the sum of its proper divisors (25747354).

42805214 is a wasteful number, since it uses less digits than its factorization.

42805214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 728 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 42805214 is about 6542.5693729604. The cubic root of 42805214 is about 349.8100030015.

The spelling of 42805214 in words is "forty-two million, eight hundred five thousand, two hundred fourteen".