19743342 has 32 divisors (see below), whose sum is σ = 41057280. Its totient is φ = 6322560.

The previous prime is 19743313. The next prime is 19743377. The reversal of 19743342 is 24334791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32998 + ... + 33590.

It is an arithmetic number, because the mean of its divisors is an integer number (1283040).

Almost surely, 2^19743342 is an apocalyptic number.

19743342 is an abundant number, since it is smaller than the sum of its proper divisors (21313938).

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

19743342 is a wasteful number, since it uses less digits than its factorization.

19743342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 808.

The product of its digits is 18144, while the sum is 33.

The square root of 19743342 is about 4443.3480619911. The cubic root of 19743342 is about 270.2756307339.

The spelling of 19743342 in words is "nineteen million, seven hundred forty-three thousand, three hundred forty-two".