72955538943 has 8 divisors (see below), whose sum is σ = 111170345088. Its totient is φ = 41688879384.

The previous prime is 72955538927. The next prime is 72955538987. The reversal of 72955538943 is 34983555927.

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

It is not a de Polignac number, because 72955538943 - 2⁴ = 72955538927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72955538443) 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, 1737036621 + ... + 1737036662.

It is an arithmetic number, because the mean of its divisors is an integer number (13896293136).

Almost surely, 2^72955538943 is an apocalyptic number.

72955538943 is a deficient number, since it is larger than the sum of its proper divisors (38214806145).

72955538943 is a wasteful number, since it uses less digits than its factorization.

72955538943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474073293.

The product of its digits is 40824000, while the sum is 60.

The spelling of 72955538943 in words is "seventy-two billion, nine hundred fifty-five million, five hundred thirty-eight thousand, nine hundred forty-three".