19072492 has 12 divisors (see below), whose sum is σ = 33452496. Its totient is φ = 9514640.

The previous prime is 19072489. The next prime is 19072507. The reversal of 19072492 is 29427091.

It is a happy 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, 3328 + ... + 7015.

It is an arithmetic number, because the mean of its divisors is an integer number (2787708).

Almost surely, 2^19072492 is an apocalyptic number.

It is an amenable number.

19072492 is a deficient number, since it is larger than the sum of its proper divisors (14380004).

19072492 is a wasteful number, since it uses less digits than its factorization.

19072492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10808 (or 10806 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 34.

The square root of 19072492 is about 4367.2064297443. The cubic root of 19072492 is about 267.1790986973.

The spelling of 19072492 in words is "nineteen million, seventy-two thousand, four hundred ninety-two".