19672342 has 4 divisors (see below), whose sum is σ = 29508516. Its totient is φ = 9836170.

The previous prime is 19672327. The next prime is 19672361. The reversal of 19672342 is 24327691.

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

It is a junction number, because it is equal to n+sod(n) for n = 19672298 and 19672307.

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 as a sum of consecutive naturals, namely, 4918084 + ... + 4918087.

It is an arithmetic number, because the mean of its divisors is an integer number (7377129).

Almost surely, 2^19672342 is an apocalyptic number.

19672342 is a deficient number, since it is larger than the sum of its proper divisors (9836174).

19672342 is an equidigital number, since it uses as much as digits as its factorization.

19672342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9836173.

The product of its digits is 18144, while the sum is 34.

The square root of 19672342 is about 4435.3513953237. The cubic root of 19672342 is about 269.9512577765.

The spelling of 19672342 in words is "nineteen million, six hundred seventy-two thousand, three hundred forty-two".