42788806 has 16 divisors (see below), whose sum is σ = 65869200. Its totient is φ = 20839168.

The previous prime is 42788803. The next prime is 42788831. The reversal of 42788806 is 60888724.

It is a super-3 number, since 3×42788806³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42788803) 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, 11730 + ... + 14938.

It is an arithmetic number, because the mean of its divisors is an integer number (4116825).

Almost surely, 2^42788806 is an apocalyptic number.

42788806 is a deficient number, since it is larger than the sum of its proper divisors (23080394).

42788806 is a wasteful number, since it uses less digits than its factorization.

42788806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3383.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 42788806 is about 6541.3153111588. The cubic root of 42788806 is about 349.7653011570.

The spelling of 42788806 in words is "forty-two million, seven hundred eighty-eight thousand, eight hundred six".