752755133 has 4 divisors (see below), whose sum is σ = 810659388. Its totient is φ = 694850880.

The previous prime is 752755079. The next prime is 752755139. The reversal of 752755133 is 331557257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 212518084 + 540237049 = 14578^2 + 23243^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-752755133 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (752755139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28952108 + ... + 28952133.

It is an arithmetic number, because the mean of its divisors is an integer number (202664847).

Almost surely, 2^752755133 is an apocalyptic number.

It is an amenable number.

752755133 is a deficient number, since it is larger than the sum of its proper divisors (57904255).

752755133 is a wasteful number, since it uses less digits than its factorization.

752755133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57904254.

The product of its digits is 110250, while the sum is 38.

The square root of 752755133 is about 27436.3833804676. The cubic root of 752755133 is about 909.6714721995.

It can be divided in two parts, 75275 and 5133, that added together give a palindrome (80408).

The spelling of 752755133 in words is "seven hundred fifty-two million, seven hundred fifty-five thousand, one hundred thirty-three".