72869042049 has 8 divisors (see below), whose sum is σ = 97160595840. Its totient is φ = 48578424816.

The previous prime is 72869042021. The next prime is 72869042087. The reversal of 72869042049 is 94024096827.

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

It is not a de Polignac number, because 72869042049 - 2¹¹ = 72869040001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72869041992 and 72869042010.

It is not an unprimeable number, because it can be changed into a prime (72869042249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26214 + ... + 382655.

It is an arithmetic number, because the mean of its divisors is an integer number (12145074480).

Almost surely, 2^72869042049 is an apocalyptic number.

It is an amenable number.

72869042049 is a deficient number, since it is larger than the sum of its proper divisors (24291553791).

72869042049 is a wasteful number, since it uses less digits than its factorization.

72869042049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468279.

The product of its (nonzero) digits is 1741824, while the sum is 51.

The spelling of 72869042049 in words is "seventy-two billion, eight hundred sixty-nine million, forty-two thousand, forty-nine".