42233720 has 32 divisors (see below), whose sum is σ = 96178320. Its totient is φ = 16688640.

The previous prime is 42233707. The next prime is 42233743. The reversal of 42233720 is 2733224.

42233720 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3041 + ... + 9680.

Almost surely, 2^42233720 is an apocalyptic number.

42233720 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42233720 is an abundant number, since it is smaller than the sum of its proper divisors (53944600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42233720 is a wasteful number, since it uses less digits than its factorization.

42233720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12815 (or 12811 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 42233720 is about 6498.7475716479. The cubic root of 42233720 is about 348.2462475205.

Adding to 42233720 its reverse (2733224), we get a palindrome (44966944).

The spelling of 42233720 in words is "forty-two million, two hundred thirty-three thousand, seven hundred twenty".