755493 has 4 divisors (see below), whose sum is σ = 1007328. Its totient is φ = 503660.

The previous prime is 755483. The next prime is 755509. The reversal of 755493 is 394557.

755493 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 394557 = 3 ⋅131519.

It is a cyclic number.

It is not a de Polignac number, because 755493 - 2⁹ = 754981 is a prime.

It is a D-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 (755413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125913 + ... + 125918.

It is an arithmetic number, because the mean of its divisors is an integer number (251832).

2⁷⁵⁵⁴⁹³ is an apocalyptic number.

It is an amenable number.

755493 is a deficient number, since it is larger than the sum of its proper divisors (251835).

755493 is a wasteful number, since it uses less digits than its factorization.

755493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251834.

The product of its digits is 18900, while the sum is 33.

The square root of 755493 is about 869.1910031748. The cubic root of 755493 is about 91.0773001762.

The spelling of 755493 in words is "seven hundred fifty-five thousand, four hundred ninety-three".