72304573686943 has 24 divisors (see below), whose sum is σ = 82904699995040. Its totient is φ = 62673551470080.

The previous prime is 72304573686937. The next prime is 72304573686949. The reversal of 72304573686943 is 34968637540327.

It is an interprime number because it is at equal distance from previous prime (72304573686937) and next prime (72304573686949).

It is not a de Polignac number, because 72304573686943 - 2⁵ = 72304573686911 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 (72304573686949) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20270148 + ... + 23568793.

Almost surely, 2^{72304573686943} is an apocalyptic number.

72304573686943 is a deficient number, since it is larger than the sum of its proper divisors (10600126308097).

72304573686943 is a wasteful number, since it uses less digits than its factorization.

72304573686943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43839427 (or 43839410 counting only the distinct ones).

The product of its (nonzero) digits is 548674560, while the sum is 67.

The spelling of 72304573686943 in words is "seventy-two trillion, three hundred four billion, five hundred seventy-three million, six hundred eighty-six thousand, nine hundred forty-three".