19245472 has 24 divisors (see below), whose sum is σ = 38187072. Its totient is φ = 9547200.

The previous prime is 19245463. The next prime is 19245509. The reversal of 19245472 is 27454291.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1897 + ... + 6487.

It is an arithmetic number, because the mean of its divisors is an integer number (1591128).

Almost surely, 2^19245472 is an apocalyptic number.

It is an amenable number.

19245472 is a deficient number, since it is larger than the sum of its proper divisors (18941600).

19245472 is a wasteful number, since it uses less digits than its factorization.

19245472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4732 (or 4724 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 19245472 is about 4386.9661498580. The cubic root of 19245472 is about 267.9844054192.

It can be divided in two parts, 1924 and 5472, that added together give a square (7396 = 86²).

The spelling of 19245472 in words is "nineteen million, two hundred forty-five thousand, four hundred seventy-two".