42688093 has 16 divisors (see below), whose sum is σ = 50843520. Its totient is φ = 35078400.

The previous prime is 42688057. The next prime is 42688109. The reversal of 42688093 is 39088624.

It is not a de Polignac number, because 42688093 - 2²¹ = 40590941 is a prime.

It is a super-3 number, since 3×42688093³ (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 (42688033) 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, 15673 + ... + 18193.

It is an arithmetic number, because the mean of its divisors is an integer number (3177720).

Almost surely, 2^42688093 is an apocalyptic number.

It is an amenable number.

42688093 is a deficient number, since it is larger than the sum of its proper divisors (8155427).

42688093 is a wasteful number, since it uses less digits than its factorization.

42688093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2628.

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 42688093 is about 6533.6125535572. The cubic root of 42688093 is about 349.4906686880.

The spelling of 42688093 in words is "forty-two million, six hundred eighty-eight thousand, ninety-three".