42684753 has 8 divisors (see below), whose sum is σ = 57500128. Its totient is φ = 28162944.

The previous prime is 42684751. The next prime is 42684797. The reversal of 42684753 is 35748624.

It is a happy number.

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

It is not a de Polignac number, because 42684753 - 2¹ = 42684751 is a prime.

It is a super-3 number, since 3×42684753³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42684751) 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, 73051 + ... + 73632.

It is an arithmetic number, because the mean of its divisors is an integer number (7187516).

Almost surely, 2^42684753 is an apocalyptic number.

It is an amenable number.

42684753 is a deficient number, since it is larger than the sum of its proper divisors (14815375).

42684753 is a wasteful number, since it uses less digits than its factorization.

42684753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146783.

The product of its digits is 161280, while the sum is 39.

The square root of 42684753 is about 6533.3569472362. The cubic root of 42684753 is about 349.4815535054.

The spelling of 42684753 in words is "forty-two million, six hundred eighty-four thousand, seven hundred fifty-three".