19074272 has 48 divisors (see below), whose sum is σ = 45450720. Its totient is φ = 7692288.

The previous prime is 19074229. The next prime is 19074281. The reversal of 19074272 is 27247091.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1304 + ... + 6312.

It is an arithmetic number, because the mean of its divisors is an integer number (946890).

Almost surely, 2^19074272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19074272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22725360).

19074272 is an abundant number, since it is smaller than the sum of its proper divisors (26376448).

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

19074272 is a wasteful number, since it uses less digits than its factorization.

19074272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5043 (or 5035 counting only the distinct ones).

The product of its (nonzero) digits is 7056, while the sum is 32.

The square root of 19074272 is about 4367.4102165929. The cubic root of 19074272 is about 267.1874102139.

The spelling of 19074272 in words is "nineteen million, seventy-four thousand, two hundred seventy-two".