42193724 has 24 divisors (see below), whose sum is σ = 77837760. Its totient is φ = 19982144.

The previous prime is 42193721. The next prime is 42193741. The reversal of 42193724 is 42739124.

42193724 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 not an unprimeable number, because it can be changed into a prime (42193721) by changing a digit.

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, 2717 + ... + 9579.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^42193724 is an apocalyptic number.

It is an amenable number.

42193724 is a deficient number, since it is larger than the sum of its proper divisors (35644036).

42193724 is a wasteful number, since it uses less digits than its factorization.

42193724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6949 (or 6947 counting only the distinct ones).

The product of its digits is 12096, while the sum is 32.

The square root of 42193724 is about 6495.6696344565. The cubic root of 42193724 is about 348.1362812340.

The spelling of 42193724 in words is "forty-two million, one hundred ninety-three thousand, seven hundred twenty-four".