19752842 has 16 divisors (see below), whose sum is σ = 30108672. Its totient is φ = 9718080.

The previous prime is 19752779. The next prime is 19752869. The reversal of 19752842 is 24825791.

It is a junction number, because it is equal to n+sod(n) for n = 19752796 and 19752805.

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, 51383 + ... + 51765.

It is an arithmetic number, because the mean of its divisors is an integer number (1881792).

Almost surely, 2^19752842 is an apocalyptic number.

19752842 is a deficient number, since it is larger than the sum of its proper divisors (10355830).

19752842 is a wasteful number, since it uses less digits than its factorization.

19752842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 733.

The product of its digits is 40320, while the sum is 38.

The square root of 19752842 is about 4444.4169471372. The cubic root of 19752842 is about 270.3189737298.

The spelling of 19752842 in words is "nineteen million, seven hundred fifty-two thousand, eight hundred forty-two".