42033997 has 8 divisors (see below), whose sum is σ = 42606080. Its totient is φ = 41465520.

The previous prime is 42033989. The next prime is 42034001. The reversal of 42033997 is 79933024.

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

It is a cyclic number.

It is not a de Polignac number, because 42033997 - 2³ = 42033989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42033907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28828 + ... + 30250.

It is an arithmetic number, because the mean of its divisors is an integer number (5325760).

Almost surely, 2^42033997 is an apocalyptic number.

It is an amenable number.

42033997 is a deficient number, since it is larger than the sum of its proper divisors (572083).

42033997 is a wasteful number, since it uses less digits than its factorization.

42033997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1803.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 42033997 is about 6483.3630933336. The cubic root of 42033997 is about 347.6964284622.

The spelling of 42033997 in words is "forty-two million, thirty-three thousand, nine hundred ninety-seven".