42684573 has 16 divisors (see below), whose sum is σ = 59867136. Its totient is φ = 26999280.

The previous prime is 42684571. The next prime is 42684589. The reversal of 42684573 is 37548624.

It is a happy number.

It is not a de Polignac number, because 42684573 - 2¹ = 42684571 is a prime.

It is a super-3 number, since 3×42684573³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42684571) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6328 + ... + 11198.

It is an arithmetic number, because the mean of its divisors is an integer number (3741696).

Almost surely, 2^42684573 is an apocalyptic number.

It is an amenable number.

42684573 is a deficient number, since it is larger than the sum of its proper divisors (17182563).

42684573 is a wasteful number, since it uses less digits than its factorization.

42684573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5024.

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

The square root of 42684573 is about 6533.3431717613. The cubic root of 42684573 is about 349.4810622545.

The spelling of 42684573 in words is "forty-two million, six hundred eighty-four thousand, five hundred seventy-three".