42816735 has 64 divisors (see below), whose sum is σ = 84725760. Its totient is φ = 20373120.

The previous prime is 42816703. The next prime is 42816769. The reversal of 42816735 is 53761824.

It is not a de Polignac number, because 42816735 - 2⁵ = 42816703 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42816735.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 54012 + ... + 54798.

It is an arithmetic number, because the mean of its divisors is an integer number (1323840).

Almost surely, 2^42816735 is an apocalyptic number.

42816735 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42816735 is a deficient number, since it is larger than the sum of its proper divisors (41909025).

42816735 is a wasteful number, since it uses less digits than its factorization.

42816735 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 845 (or 839 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 42816735 is about 6543.4497782133. The cubic root of 42816735 is about 349.8413839101.

The spelling of 42816735 in words is "forty-two million, eight hundred sixteen thousand, seven hundred thirty-five".