19042372 has 12 divisors (see below), whose sum is σ = 33369196. Its totient is φ = 9508320.

The previous prime is 19042369. The next prime is 19042393. The reversal of 19042372 is 27324091.

It can be written as a sum of positive squares in 2 ways, for example, as 3154176 + 15888196 = 1776^2 + 3986^2 .

It is a super-2 number, since 2×19042372² = 725223862772768, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19042372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622 + ... + 6202.

Almost surely, 2^19042372 is an apocalyptic number.

It is an amenable number.

19042372 is a deficient number, since it is larger than the sum of its proper divisors (14326824).

19042372 is a wasteful number, since it uses less digits than its factorization.

19042372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6438 (or 6436 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 19042372 is about 4363.7566384939. The cubic root of 19042372 is about 267.0383781517.

The spelling of 19042372 in words is "nineteen million, forty-two thousand, three hundred seventy-two".