19045672 has 16 divisors (see below), whose sum is σ = 36316800. Its totient is φ = 9361200.

The previous prime is 19045667. The next prime is 19045673. The reversal of 19045672 is 27654091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19045673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19704 + ... + 20647.

It is an arithmetic number, because the mean of its divisors is an integer number (2269800).

Almost surely, 2^19045672 is an apocalyptic number.

It is an amenable number.

19045672 is a deficient number, since it is larger than the sum of its proper divisors (17271128).

19045672 is a wasteful number, since it uses less digits than its factorization.

19045672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40416 (or 40412 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 19045672 is about 4364.1347366918. The cubic root of 19045672 is about 267.0538029763.

The spelling of 19045672 in words is "nineteen million, forty-five thousand, six hundred seventy-two".