42516806 has 16 divisors (see below), whose sum is σ = 65186304. Its totient is φ = 20793024.

The previous prime is 42516781. The next prime is 42516829. The reversal of 42516806 is 60861524.

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, 17396 + ... + 19688.

It is an arithmetic number, because the mean of its divisors is an integer number (4074144).

Almost surely, 2^42516806 is an apocalyptic number.

42516806 is a deficient number, since it is larger than the sum of its proper divisors (22669498).

42516806 is a wasteful number, since it uses less digits than its factorization.

42516806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2495.

The product of its (nonzero) digits is 11520, while the sum is 32.

The square root of 42516806 is about 6520.4912391629. The cubic root of 42516806 is about 349.0225955053.

The spelling of 42516806 in words is "forty-two million, five hundred sixteen thousand, eight hundred six".