42533337 has 32 divisors (see below), whose sum is σ = 74870784. Its totient is φ = 20793600.

The previous prime is 42533329. The next prime is 42533339. The reversal of 42533337 is 73333524.

It is a happy number.

It is not a de Polignac number, because 42533337 - 2³ = 42533329 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42533339) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489 + ... + 9342.

It is an arithmetic number, because the mean of its divisors is an integer number (2339712).

Almost surely, 2^42533337 is an apocalyptic number.

It is an amenable number.

42533337 is a deficient number, since it is larger than the sum of its proper divisors (32337447).

42533337 is a wasteful number, since it uses less digits than its factorization.

42533337 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10869.

The product of its digits is 22680, while the sum is 30.

The square root of 42533337 is about 6521.7587351879. The cubic root of 42533337 is about 349.0678242471.

The spelling of 42533337 in words is "forty-two million, five hundred thirty-three thousand, three hundred thirty-seven".