72603035255 has 16 divisors (see below), whose sum is σ = 87697288224. Its totient is φ = 57700156800.

The previous prime is 72603035189. The next prime is 72603035287. The reversal of 72603035255 is 55253030627.

It is not a de Polignac number, because 72603035255 - 2²⁰ = 72601986679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5993705 + ... + 6005805.

It is an arithmetic number, because the mean of its divisors is an integer number (5481080514).

Almost surely, 2^72603035255 is an apocalyptic number.

72603035255 is a deficient number, since it is larger than the sum of its proper divisors (15094252969).

72603035255 is a wasteful number, since it uses less digits than its factorization.

72603035255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19906.

The product of its (nonzero) digits is 189000, while the sum is 38.

The spelling of 72603035255 in words is "seventy-two billion, six hundred three million, thirty-five thousand, two hundred fifty-five".