19245072 has 160 divisors (see below), whose sum is σ = 63995904. Its totient is φ = 4838400.

The previous prime is 19245019. The next prime is 19245077. The reversal of 19245072 is 27054291.

It is not an unprimeable number, because it can be changed into a prime (19245077) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 151473 + ... + 151599.

Almost surely, 2^19245072 is an apocalyptic number.

19245072 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 19245072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31997952).

19245072 is an abundant number, since it is smaller than the sum of its proper divisors (44750832).

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

19245072 is a wasteful number, since it uses less digits than its factorization.

19245072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197 (or 191 counting only the distinct ones).

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

The square root of 19245072 is about 4386.9205600284. The cubic root of 19245072 is about 267.9825488005.

It can be divided in two parts, 1924 and 5072, that added together give a palindrome (6996).

The spelling of 19245072 in words is "nineteen million, two hundred forty-five thousand, seventy-two".