72444827523 has 8 divisors (see below), whose sum is σ = 98648275968. Its totient is φ = 47268965384.

The previous prime is 72444827519. The next prime is 72444827537. The reversal of 72444827523 is 32572844427.

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 72444827523 - 2² = 72444827519 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72444827423) 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, 256896411 + ... + 256896692.

It is an arithmetic number, because the mean of its divisors is an integer number (12331034496).

Almost surely, 2^72444827523 is an apocalyptic number.

72444827523 is a deficient number, since it is larger than the sum of its proper divisors (26203448445).

72444827523 is a wasteful number, since it uses less digits than its factorization.

72444827523 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513793153.

The product of its digits is 3010560, while the sum is 48.

The spelling of 72444827523 in words is "seventy-two billion, four hundred forty-four million, eight hundred twenty-seven thousand, five hundred twenty-three".