42033999 has 8 divisors (see below), whose sum is σ = 64051840. Its totient is φ = 24019416.

The previous prime is 42033989. The next prime is 42034001. The reversal of 42033999 is 99933024.

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

It is a de Polignac number, because none of the positive numbers 2^k-42033999 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 (42033989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1000789 + ... + 1000830.

It is an arithmetic number, because the mean of its divisors is an integer number (8006480).

Almost surely, 2^42033999 is an apocalyptic number.

42033999 is a deficient number, since it is larger than the sum of its proper divisors (22017841).

42033999 is a wasteful number, since it uses less digits than its factorization.

42033999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2001629.

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 42033999 is about 6483.3632475745. The cubic root of 42033999 is about 347.6964339767.

The spelling of 42033999 in words is "forty-two million, thirty-three thousand, nine hundred ninety-nine".