72861022356454 has 8 divisors (see below), whose sum is σ = 109346206644000. Its totient is φ = 36412286808456.

The previous prime is 72861022356449. The next prime is 72861022356457. The reversal of 72861022356454 is 45465322016827.

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

It is a junction number, because it is equal to n+sod(n) for n = 72861022356395 and 72861022356404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72861022356457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9112179889 + ... + 9112187884.

It is an arithmetic number, because the mean of its divisors is an integer number (13668275830500).

Almost surely, 2^{72861022356454} is an apocalyptic number.

72861022356454 is a deficient number, since it is larger than the sum of its proper divisors (36485184287546).

72861022356454 is a wasteful number, since it uses less digits than its factorization.

72861022356454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18224369774.

The product of its (nonzero) digits is 19353600, while the sum is 55.

The spelling of 72861022356454 in words is "seventy-two trillion, eight hundred sixty-one billion, twenty-two million, three hundred fifty-six thousand, four hundred fifty-four".