19485742 has 8 divisors (see below), whose sum is σ = 29941632. Its totient is φ = 9505200.

The previous prime is 19485733. The next prime is 19485787. The reversal of 19485742 is 24758491.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 19485695 and 19485704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118734 + ... + 118897.

It is an arithmetic number, because the mean of its divisors is an integer number (3742704).

Almost surely, 2^19485742 is an apocalyptic number.

19485742 is a deficient number, since it is larger than the sum of its proper divisors (10455890).

19485742 is a wasteful number, since it uses less digits than its factorization.

19485742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237674.

The product of its digits is 80640, while the sum is 40.

The square root of 19485742 is about 4414.2657373566. The cubic root of 19485742 is about 269.0950130317.

The spelling of 19485742 in words is "nineteen million, four hundred eighty-five thousand, seven hundred forty-two".