755604431 has 4 divisors (see below), whose sum is σ = 755664672. Its totient is φ = 755544192.

The previous prime is 755604413. The next prime is 755604449. The reversal of 755604431 is 134406557.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 134406557 = 7333 ⋅18329.

It is an interprime number because it is at equal distance from previous prime (755604413) and next prime (755604449).

It is a cyclic number.

It is not a de Polignac number, because 755604431 - 2¹⁴ = 755588047 is a prime.

It is a super-2 number, since 2×755604431² = 1141876112293667522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 755604391 and 755604400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755604461) 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, 3410 + ... + 39023.

It is an arithmetic number, because the mean of its divisors is an integer number (188916168).

Almost surely, 2^755604431 is an apocalyptic number.

755604431 is a deficient number, since it is larger than the sum of its proper divisors (60241).

755604431 is a wasteful number, since it uses less digits than its factorization.

755604431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60240.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 755604431 is about 27488.2598758088. The cubic root of 755604431 is about 910.8177775381.

The spelling of 755604431 in words is "seven hundred fifty-five million, six hundred four thousand, four hundred thirty-one".