755740543 has 4 divisors (see below), whose sum is σ = 766384848. Its totient is φ = 745096240.

The previous prime is 755740519. The next prime is 755740549. The reversal of 755740543 is 345047557.

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

It is a cyclic number.

It is not a de Polignac number, because 755740543 - 2²⁵ = 722186111 is a prime.

It is a super-2 number, since 2×755740543² = 1142287536667869698, 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 = 755740496 and 755740505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755740549) 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, 5322046 + ... + 5322187.

It is an arithmetic number, because the mean of its divisors is an integer number (191596212).

Almost surely, 2^755740543 is an apocalyptic number.

755740543 is a deficient number, since it is larger than the sum of its proper divisors (10644305).

755740543 is a wasteful number, since it uses less digits than its factorization.

755740543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10644304.

The product of its (nonzero) digits is 294000, while the sum is 40.

The square root of 755740543 is about 27490.7355849202. The cubic root of 755740543 is about 910.8724647885.

The spelling of 755740543 in words is "seven hundred fifty-five million, seven hundred forty thousand, five hundred forty-three".