42273999 has 12 divisors (see below), whose sum is σ = 61128912. Its totient is φ = 28152000.

The previous prime is 42273991. The next prime is 42274003. The reversal of 42273999 is 99937224.

It is not a de Polignac number, because 42273999 - 2³ = 42273991 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42273991) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8854 + ... + 12764.

It is an arithmetic number, because the mean of its divisors is an integer number (5094076).

Almost surely, 2^42273999 is an apocalyptic number.

42273999 is a deficient number, since it is larger than the sum of its proper divisors (18854913).

42273999 is a wasteful number, since it uses less digits than its factorization.

42273999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5118 (or 5115 counting only the distinct ones).

The product of its digits is 244944, while the sum is 45.

The square root of 42273999 is about 6501.8458148437. The cubic root of 42273999 is about 348.3569217535.

The spelling of 42273999 in words is "forty-two million, two hundred seventy-three thousand, nine hundred ninety-nine".