19742382 has 24 divisors (see below), whose sum is σ = 46664280. Its totient is φ = 5982480.

The previous prime is 19742377. The next prime is 19742419. The reversal of 19742382 is 28324791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 49657 + ... + 50052.

It is an arithmetic number, because the mean of its divisors is an integer number (1944345).

Almost surely, 2^19742382 is an apocalyptic number.

19742382 is an abundant number, since it is smaller than the sum of its proper divisors (26921898).

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

19742382 is a wasteful number, since it uses less digits than its factorization.

19742382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99728 (or 99725 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 19742382 is about 4443.2400340292. The cubic root of 19742382 is about 270.2712500366.

It can be divided in two parts, 1974 and 2382, that added together give a square (4356 = 66²).

The spelling of 19742382 in words is "nineteen million, seven hundred forty-two thousand, three hundred eighty-two".