72891015673366 has 16 divisors (see below), whose sum is σ = 119297247748560. Its totient is φ = 33126435328480.

The previous prime is 72891015673361. The next prime is 72891015673447. The reversal of 72891015673366 is 66337651019827.

72891015673366 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 72891015673298 and 72891015673307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72891015673361) 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, 292098601 + ... + 292348036.

It is an arithmetic number, because the mean of its divisors is an integer number (7456077984285).

Almost surely, 2^{72891015673366} is an apocalyptic number.

72891015673366 is a deficient number, since it is larger than the sum of its proper divisors (46406232075194).

72891015673366 is a wasteful number, since it uses less digits than its factorization.

72891015673366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584452319.

The product of its (nonzero) digits is 68584320, while the sum is 64.

The spelling of 72891015673366 in words is "seventy-two trillion, eight hundred ninety-one billion, fifteen million, six hundred seventy-three thousand, three hundred sixty-six".