240071 has 8 divisors (see below), whose sum is σ = 263760. Its totient is φ = 217152.

The previous prime is 240059. The next prime is 240073. The reversal of 240071 is 170042.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 240071 - 2⁶ = 240007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240073) 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, 611 + ... + 923.

It is an arithmetic number, because the mean of its divisors is an integer number (32970).

2²⁴⁰⁰⁷¹ is an apocalyptic number.

240071 is a deficient number, since it is larger than the sum of its proper divisors (23689).

240071 is a wasteful number, since it uses less digits than its factorization.

240071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385.

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 240071 is about 489.9704072697. The cubic root of 240071 is about 62.1507776679.

The spelling of 240071 in words is "two hundred forty thousand, seventy-one", and thus it is an iban number.