755400020073 has 32 divisors (see below), whose sum is σ = 1044107919360. Its totient is φ = 485285498880.

The previous prime is 755400020047. The next prime is 755400020087. The reversal of 755400020073 is 370020004557.

755400020073 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 755400020073 - 2²⁰ = 755398971497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (755400020093) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 126170386 + ... + 126176372.

It is an arithmetic number, because the mean of its divisors is an integer number (32628372480).

Almost surely, 2^755400020073 is an apocalyptic number.

It is an amenable number.

755400020073 is a deficient number, since it is larger than the sum of its proper divisors (288707899287).

755400020073 is a wasteful number, since it uses less digits than its factorization.

755400020073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11557.

The product of its (nonzero) digits is 29400, while the sum is 33.

The spelling of 755400020073 in words is "seven hundred fifty-five billion, four hundred million, twenty thousand, seventy-three".