42783224 has 32 divisors (see below), whose sum is σ = 90339840. Its totient is φ = 18818400.

The previous prime is 42783217. The next prime is 42783241. The reversal of 42783224 is 42238724.

42783224 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, 5114 + ... + 10569.

It is an arithmetic number, because the mean of its divisors is an integer number (2823120).

Almost surely, 2^42783224 is an apocalyptic number.

42783224 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42783224 is an abundant number, since it is smaller than the sum of its proper divisors (47556616).

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

42783224 is a wasteful number, since it uses less digits than its factorization.

42783224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15731 (or 15727 counting only the distinct ones).

The product of its digits is 21504, while the sum is 32.

The square root of 42783224 is about 6540.8886246442. Note that the first 3 decimals coincide. The cubic root of 42783224 is about 349.7500909888.

The spelling of 42783224 in words is "forty-two million, seven hundred eighty-three thousand, two hundred twenty-four".