42866733 has 32 divisors (see below), whose sum is σ = 73414656. Its totient is φ = 21624768.

The previous prime is 42866731. The next prime is 42866767. The reversal of 42866733 is 33766824.

It is not a de Polignac number, because 42866733 - 2¹ = 42866731 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 42866691 and 42866700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42866731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2866 + ... + 9692.

It is an arithmetic number, because the mean of its divisors is an integer number (2294208).

Almost surely, 2^42866733 is an apocalyptic number.

It is an amenable number.

42866733 is a deficient number, since it is larger than the sum of its proper divisors (30547923).

42866733 is a wasteful number, since it uses less digits than its factorization.

42866733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6873.

The product of its digits is 145152, while the sum is 39.

The square root of 42866733 is about 6547.2691253682. The cubic root of 42866733 is about 349.9775033159.

Subtracting from 42866733 its reverse (33766824), we obtain a palindrome (9099909).

It can be divided in two parts, 428 and 66733, that added together give a triangular number (67161 = T₃₆₆).

The spelling of 42866733 in words is "forty-two million, eight hundred sixty-six thousand, seven hundred thirty-three".