72553236743 has 8 divisors (see below), whose sum is σ = 79458565200. Its totient is φ = 65837095488.

The previous prime is 72553236737. The next prime is 72553236751. The reversal of 72553236743 is 34763235527.

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 72553236743 - 2⁸ = 72553236487 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 (72553236713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47295998 + ... + 47297531.

It is an arithmetic number, because the mean of its divisors is an integer number (9932320650).

Almost surely, 2^72553236743 is an apocalyptic number.

72553236743 is a deficient number, since it is larger than the sum of its proper divisors (6905328457).

72553236743 is a wasteful number, since it uses less digits than its factorization.

72553236743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94593601.

The product of its digits is 3175200, while the sum is 47.

The spelling of 72553236743 in words is "seventy-two billion, five hundred fifty-three million, two hundred thirty-six thousand, seven hundred forty-three".