240775 has 6 divisors (see below), whose sum is σ = 298592. Its totient is φ = 192600.

The previous prime is 240769. The next prime is 240797. The reversal of 240775 is 577042.

It is not a de Polignac number, because 240775 - 2⁵ = 240743 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25), and also a Moran number because the ratio is a prime number: 9631 = 240775 / (2 + 4 + 0 + 7 + 7 + 5).

It is a Duffinian number.

240775 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4791 + ... + 4840.

2²⁴⁰⁷⁷⁵ is an apocalyptic number.

240775 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

240775 is a deficient number, since it is larger than the sum of its proper divisors (57817).

240775 is an equidigital number, since it uses as much as digits as its factorization.

240775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9641 (or 9636 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 25.

The square root of 240775 is about 490.6882920959. The cubic root of 240775 is about 62.2114700573.

The spelling of 240775 in words is "two hundred forty thousand, seven hundred seventy-five".