240172 has 12 divisors (see below), whose sum is σ = 425320. Its totient is φ = 118656.

The previous prime is 240169. The next prime is 240173. The reversal of 240172 is 271042.

240172 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (240173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79 + ... + 697.

2²⁴⁰¹⁷² is an apocalyptic number.

It is an amenable number.

240172 is a deficient number, since it is larger than the sum of its proper divisors (185148).

240172 is a wasteful number, since it uses less digits than its factorization.

240172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 720 (or 718 counting only the distinct ones).

The product of its (nonzero) digits is 112, while the sum is 16.

The square root of 240172 is about 490.0734638807. The cubic root of 240172 is about 62.1594922404.

The spelling of 240172 in words is "two hundred forty thousand, one hundred seventy-two", and thus it is an iban number.