755442 has 12 divisors (see below), whose sum is σ = 1636830. Its totient is φ = 251808.

The previous prime is 755441. The next prime is 755449. The reversal of 755442 is 244557.

It can be written as a sum of positive squares in only one way, i.e., 670761 + 84681 = 819^2 + 291^2 .

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (755441) 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 5 ways as a sum of consecutive naturals, for example, 20967 + ... + 21002.

2⁷⁵⁵⁴⁴² is an apocalyptic number.

755442 is an abundant number, since it is smaller than the sum of its proper divisors (881388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

755442 is a wasteful number, since it uses less digits than its factorization.

755442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41977 (or 41974 counting only the distinct ones).

The product of its digits is 5600, while the sum is 27.

The square root of 755442 is about 869.1616650543. The cubic root of 755442 is about 91.0752507211.

Adding to 755442 its reverse (244557), we get a palindrome (999999).

The spelling of 755442 in words is "seven hundred fifty-five thousand, four hundred forty-two".