42274733 has 8 divisors (see below), whose sum is σ = 45266040. Its totient is φ = 39339520.

The previous prime is 42274723. The next prime is 42274741. The reversal of 42274733 is 33747224.

42274733 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 5466244 + 36808489 = 2338^2 + 6067^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 42274733 - 2¹² = 42270637 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 42274733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42274703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12458 + ... + 15483.

It is an arithmetic number, because the mean of its divisors is an integer number (5658255).

Almost surely, 2^42274733 is an apocalyptic number.

It is an amenable number.

42274733 is a deficient number, since it is larger than the sum of its proper divisors (2991307).

42274733 is a wasteful number, since it uses less digits than its factorization.

42274733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28047.

The product of its digits is 28224, while the sum is 32.

The square root of 42274733 is about 6501.9022601082. The cubic root of 42274733 is about 348.3589379061.

The spelling of 42274733 in words is "forty-two million, two hundred seventy-four thousand, seven hundred thirty-three".