19078342 has 8 divisors (see below), whose sum is σ = 28980000. Its totient is φ = 9418344.

The previous prime is 19078333. The next prime is 19078343. The reversal of 19078342 is 24387091.

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 = 19078298 and 19078307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19078343) by changing a digit.

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, 60217 + ... + 60532.

It is an arithmetic number, because the mean of its divisors is an integer number (3622500).

Almost surely, 2^19078342 is an apocalyptic number.

19078342 is a deficient number, since it is larger than the sum of its proper divisors (9901658).

19078342 is a wasteful number, since it uses less digits than its factorization.

19078342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120830.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 19078342 is about 4367.8761429326. The cubic root of 19078342 is about 267.2064126941.

The spelling of 19078342 in words is "nineteen million, seventy-eight thousand, three hundred forty-two".