19147342 has 4 divisors (see below), whose sum is σ = 28721016. Its totient is φ = 9573670.

The previous prime is 19147333. The next prime is 19147399. The reversal of 19147342 is 24374191.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4786834 + ... + 4786837.

It is an arithmetic number, because the mean of its divisors is an integer number (7180254).

Almost surely, 2^19147342 is an apocalyptic number.

19147342 is a deficient number, since it is larger than the sum of its proper divisors (9573674).

19147342 is an equidigital number, since it uses as much as digits as its factorization.

19147342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9573673.

The product of its digits is 6048, while the sum is 31.

The square root of 19147342 is about 4375.7675898064. The cubic root of 19147342 is about 267.5281572829.

The spelling of 19147342 in words is "nineteen million, one hundred forty-seven thousand, three hundred forty-two".