740255 has 16 divisors (see below), whose sum is σ = 955584. Its totient is φ = 549120.

The previous prime is 740237. The next prime is 740279. The reversal of 740255 is 552047.

740255 = T₅₁ + T₅₂ + ... + T₁₆₅.

It is not a de Polignac number, because 740255 - 2⁶ = 740191 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 740255.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4637 + ... + 4793.

It is an arithmetic number, because the mean of its divisors is an integer number (59724).

2⁷⁴⁰²⁵⁵ is an apocalyptic number.

740255 is a deficient number, since it is larger than the sum of its proper divisors (215329).

740255 is a wasteful number, since it uses less digits than its factorization.

740255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226.

The product of its (nonzero) digits is 1400, while the sum is 23.

The square root of 740255 is about 860.3807296773. The cubic root of 740255 is about 90.4608053469.

The spelling of 740255 in words is "seven hundred forty thousand, two hundred fifty-five".