755405 has 16 divisors (see below), whose sum is σ = 1050624. Its totient is φ = 510720.

The previous prime is 755401. The next prime is 755413. The reversal of 755405 is 504557.

It is not a de Polignac number, because 755405 - 2² = 755401 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755401) 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 15 ways as a sum of consecutive naturals, for example, 3860 + ... + 4050.

It is an arithmetic number, because the mean of its divisors is an integer number (65664).

2⁷⁵⁵⁴⁰⁵ is an apocalyptic number.

It is an amenable number.

755405 is a deficient number, since it is larger than the sum of its proper divisors (295219).

755405 is a wasteful number, since it uses less digits than its factorization.

755405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316.

The product of its (nonzero) digits is 3500, while the sum is 26.

The square root of 755405 is about 869.1403799157. The cubic root of 755405 is about 91.0737638038.

The spelling of 755405 in words is "seven hundred fifty-five thousand, four hundred five".