742255 has 8 divisors (see below), whose sum is σ = 921600. Its totient is φ = 573216.

The previous prime is 742253. The next prime is 742277. The reversal of 742255 is 552247.

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

It is a cyclic number.

It is not a de Polignac number, because 742255 - 2¹ = 742253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (742253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2415 + ... + 2704.

It is an arithmetic number, because the mean of its divisors is an integer number (115200).

2⁷⁴²²⁵⁵ is an apocalyptic number.

742255 is a deficient number, since it is larger than the sum of its proper divisors (179345).

742255 is a wasteful number, since it uses less digits than its factorization.

742255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5153.

The product of its digits is 2800, while the sum is 25.

The square root of 742255 is about 861.5422218325. The cubic root of 742255 is about 90.5422002349.

The spelling of 742255 in words is "seven hundred forty-two thousand, two hundred fifty-five".