72245816689803 has 4 divisors (see below), whose sum is σ = 96327755586408. Its totient is φ = 48163877793200.

The previous prime is 72245816689799. The next prime is 72245816689819. The reversal of 72245816689803 is 30898661854227.

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 72245816689803 - 2² = 72245816689799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72245816689883) 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, 12040969448298 + ... + 12040969448303.

It is an arithmetic number, because the mean of its divisors is an integer number (24081938896602).

It is a 1-persistent number, because it is pandigital, but 2⋅72245816689803 = 144491633379606 is not.

Almost surely, 2^{72245816689803} is an apocalyptic number.

72245816689803 is a deficient number, since it is larger than the sum of its proper divisors (24081938896605).

72245816689803 is a wasteful number, since it uses less digits than its factorization.

72245816689803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24081938896604.

The product of its (nonzero) digits is 278691840, while the sum is 69.

The spelling of 72245816689803 in words is "seventy-two trillion, two hundred forty-five billion, eight hundred sixteen million, six hundred eighty-nine thousand, eight hundred three".