72596203397 has 4 divisors (see below), whose sum is σ = 72596899116. Its totient is φ = 72595507680.

The previous prime is 72596203373. The next prime is 72596203417. The reversal of 72596203397 is 79330269527.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 34091560321 + 38504643076 = 184639^2 + 196226^2 .

It is a cyclic number.

It is not a de Polignac number, because 72596203397 - 2¹⁰ = 72596202373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72596209397) 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, 156104 + ... + 411777.

It is an arithmetic number, because the mean of its divisors is an integer number (18149224779).

Almost surely, 2^72596203397 is an apocalyptic number.

It is an amenable number.

72596203397 is a deficient number, since it is larger than the sum of its proper divisors (695719).

72596203397 is a wasteful number, since it uses less digits than its factorization.

72596203397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695718.

The product of its (nonzero) digits is 4286520, while the sum is 53.

The spelling of 72596203397 in words is "seventy-two billion, five hundred ninety-six million, two hundred three thousand, three hundred ninety-seven".