17272240 has 40 divisors (see below), whose sum is σ = 41100048. Its totient is φ = 6746880.

The previous prime is 17272237. The next prime is 17272243. The reversal of 17272240 is 4227271.

It is an interprime number because it is at equal distance from previous prime (17272237) and next prime (17272243).

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (17272243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 930 + ... + 5950.

Almost surely, 2^17272240 is an apocalyptic number.

17272240 is a gapful number since it is divisible by the number (10) 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 17272240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20550024).

17272240 is an abundant number, since it is smaller than the sum of its proper divisors (23827808).

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

17272240 is a wasteful number, since it uses less digits than its factorization.

17272240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5077 (or 5071 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 17272240 is about 4155.9884504171. The cubic root of 17272240 is about 258.4934569788.

The spelling of 17272240 in words is "seventeen million, two hundred seventy-two thousand, two hundred forty".