42566733 has 24 divisors (see below), whose sum is σ = 68717376. Its totient is φ = 25166400.

The previous prime is 42566731. The next prime is 42566743. The reversal of 42566733 is 33766524.

It is not a de Polignac number, because 42566733 - 2¹ = 42566731 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42566731) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1185 + ... + 9302.

It is an arithmetic number, because the mean of its divisors is an integer number (2863224).

Almost surely, 2^42566733 is an apocalyptic number.

It is an amenable number.

42566733 is a deficient number, since it is larger than the sum of its proper divisors (26150643).

42566733 is a wasteful number, since it uses less digits than its factorization.

42566733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10545 (or 10542 counting only the distinct ones).

The product of its digits is 90720, while the sum is 36.

The square root of 42566733 is about 6524.3185851091. The cubic root of 42566733 is about 349.1591598140.

The spelling of 42566733 in words is "forty-two million, five hundred sixty-six thousand, seven hundred thirty-three".