72553236703 has 8 divisors (see below), whose sum is σ = 73747105776. Its totient is φ = 71359512000.

The previous prime is 72553236647. The next prime is 72553236713. The reversal of 72553236703 is 30763235527.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72553236703 - 2²⁹ = 72016365791 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72553236703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72553236713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1533603 + ... + 1580203.

It is an arithmetic number, because the mean of its divisors is an integer number (9218388222).

Almost surely, 2^72553236703 is an apocalyptic number.

72553236703 is a deficient number, since it is larger than the sum of its proper divisors (1193869073).

72553236703 is a wasteful number, since it uses less digits than its factorization.

72553236703 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72185.

The product of its (nonzero) digits is 793800, while the sum is 43.

The spelling of 72553236703 in words is "seventy-two billion, five hundred fifty-three million, two hundred thirty-six thousand, seven hundred three".