72496923055 has 8 divisors (see below), whose sum is σ = 88188038352. Its totient is φ = 57203051328.

The previous prime is 72496923053. The next prime is 72496923097. The reversal of 72496923055 is 55032969427.

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 72496923055 - 2¹ = 72496923053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 72496922993 and 72496923011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72496923053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99310489 + ... + 99311218.

It is an arithmetic number, because the mean of its divisors is an integer number (11023504794).

Almost surely, 2^72496923055 is an apocalyptic number.

72496923055 is a deficient number, since it is larger than the sum of its proper divisors (15691115297).

72496923055 is a wasteful number, since it uses less digits than its factorization.

72496923055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198621785.

The product of its (nonzero) digits is 4082400, while the sum is 52.

The spelling of 72496923055 in words is "seventy-two billion, four hundred ninety-six million, nine hundred twenty-three thousand, fifty-five".