19045272 has 16 divisors (see below), whose sum is σ = 47613240. Its totient is φ = 6348416.

The previous prime is 19045231. The next prime is 19045283. The reversal of 19045272 is 27254091.

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 in 3 ways as a sum of consecutive naturals, for example, 396753 + ... + 396800.

Almost surely, 2^19045272 is an apocalyptic number.

19045272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19045272 is an abundant number, since it is smaller than the sum of its proper divisors (28567968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19045272 is a wasteful number, since it uses less digits than its factorization.

19045272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793562 (or 793558 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 19045272 is about 4364.0889083519. The cubic root of 19045272 is about 267.0519333955.

The spelling of 19045272 in words is "nineteen million, forty-five thousand, two hundred seventy-two".