42534773 has 4 divisors (see below), whose sum is σ = 42639180. Its totient is φ = 42430368.

The previous prime is 42534769. The next prime is 42534781. The reversal of 42534773 is 37743524.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27804529 + 14730244 = 5273^2 + 3838^2 .

It is a cyclic number.

It is not a de Polignac number, because 42534773 - 2² = 42534769 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42536773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51590 + ... + 52407.

It is an arithmetic number, because the mean of its divisors is an integer number (10659795).

Almost surely, 2^42534773 is an apocalyptic number.

It is an amenable number.

42534773 is a deficient number, since it is larger than the sum of its proper divisors (104407).

42534773 is a wasteful number, since it uses less digits than its factorization.

42534773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104406.

The product of its digits is 70560, while the sum is 35.

The square root of 42534773 is about 6521.8688272611. The cubic root of 42534773 is about 349.0717525834.

The spelling of 42534773 in words is "forty-two million, five hundred thirty-four thousand, seven hundred seventy-three".