72248024857 has 8 divisors (see below), whose sum is σ = 75115147520. Its totient is φ = 69414436080.

The previous prime is 72248024831. The next prime is 72248024861. The reversal of 72248024857 is 75842084227.

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 72248024857 - 2¹⁹ = 72247500569 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 72248024857.

It is not an unprimeable number, because it can be changed into a prime (72248024867) 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, 8379078 + ... + 8387695.

It is an arithmetic number, because the mean of its divisors is an integer number (9389393440).

Almost surely, 2^72248024857 is an apocalyptic number.

It is an amenable number.

72248024857 is a deficient number, since it is larger than the sum of its proper divisors (2867122663).

72248024857 is a wasteful number, since it uses less digits than its factorization.

72248024857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16766943.

The product of its (nonzero) digits is 2007040, while the sum is 49.

The spelling of 72248024857 in words is "seventy-two billion, two hundred forty-eight million, twenty-four thousand, eight hundred fifty-seven".