42750733 has 8 divisors (see below), whose sum is σ = 45904320. Its totient is φ = 39668160.

The previous prime is 42750731. The next prime is 42750737. The reversal of 42750733 is 33705724.

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 42750733 - 2¹ = 42750731 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42750695 and 42750704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42750731) 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 7 ways as a sum of consecutive naturals, for example, 16503 + ... + 18916.

It is an arithmetic number, because the mean of its divisors is an integer number (5738040).

Almost surely, 2^42750733 is an apocalyptic number.

It is an amenable number.

42750733 is a deficient number, since it is larger than the sum of its proper divisors (3153587).

42750733 is a wasteful number, since it uses less digits than its factorization.

42750733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35507.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 42750733 is about 6538.4044689817. The cubic root of 42750733 is about 349.6615312916.

The spelling of 42750733 in words is "forty-two million, seven hundred fifty thousand, seven hundred thirty-three".