42727273 has 8 divisors (see below), whose sum is σ = 45480960. Its totient is φ = 40000320.

The previous prime is 42727271. The next prime is 42727301. The reversal of 42727273 is 37272724.

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

It is not a de Polignac number, because 42727273 - 2¹ = 42727271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42727271) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3333 + ... + 9826.

It is an arithmetic number, because the mean of its divisors is an integer number (5685120).

Almost surely, 2^42727273 is an apocalyptic number.

It is an amenable number.

42727273 is a deficient number, since it is larger than the sum of its proper divisors (2753687).

42727273 is a wasteful number, since it uses less digits than its factorization.

42727273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367.

The product of its digits is 32928, while the sum is 34.

The square root of 42727273 is about 6536.6102071334. The cubic root of 42727273 is about 349.5975592072.

Adding to 42727273 its reverse (37272724), we get a palindrome (79999997).

The spelling of 42727273 in words is "forty-two million, seven hundred twenty-seven thousand, two hundred seventy-three".