72854910329356 has 12 divisors (see below), whose sum is σ = 127851235399440. Its totient is φ = 36325985929520.

The previous prime is 72854910329303. The next prime is 72854910329389. The reversal of 72854910329356 is 65392301945827.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25367307175 + ... + 25367310046.

It is an arithmetic number, because the mean of its divisors is an integer number (10654269616620).

It is a 1-persistent number, because it is pandigital, but 2⋅72854910329356 = 145709820658712 is not.

Almost surely, 2^{72854910329356} is an apocalyptic number.

It is an amenable number.

72854910329356 is a deficient number, since it is larger than the sum of its proper divisors (54996325070084).

72854910329356 is a wasteful number, since it uses less digits than its factorization.

72854910329356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50734617584 (or 50734617582 counting only the distinct ones).

The product of its (nonzero) digits is 97977600, while the sum is 64.

The spelling of 72854910329356 in words is "seventy-two trillion, eight hundred fifty-four billion, nine hundred ten million, three hundred twenty-nine thousand, three hundred fifty-six".