19475472 has 80 divisors (see below), whose sum is σ = 55175040. Its totient is φ = 5892096.

The previous prime is 19475461. The next prime is 19475507. The reversal of 19475472 is 27457491.

It is a self number, because there is not a number n which added to its sum of digits gives 19475472.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23253 + ... + 24075.

It is an arithmetic number, because the mean of its divisors is an integer number (689688).

Almost surely, 2^19475472 is an apocalyptic number.

19475472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19475472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27587520).

19475472 is an abundant number, since it is smaller than the sum of its proper divisors (35699568).

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

19475472 is a wasteful number, since it uses less digits than its factorization.

19475472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880 (or 874 counting only the distinct ones).

The product of its digits is 70560, while the sum is 39.

The square root of 19475472 is about 4413.1023101669. The cubic root of 19475472 is about 269.0477290322.

The spelling of 19475472 in words is "nineteen million, four hundred seventy-five thousand, four hundred seventy-two".