72282644639054 has 4 divisors (see below), whose sum is σ = 108423966958584. Its totient is φ = 36141322319526.

The previous prime is 72282644639041. The next prime is 72282644639063. The reversal of 72282644639054 is 45093644628227.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18070661159762 + ... + 18070661159765.

It is an arithmetic number, because the mean of its divisors is an integer number (27105991739646).

Almost surely, 2^{72282644639054} is an apocalyptic number.

72282644639054 is a deficient number, since it is larger than the sum of its proper divisors (36141322319530).

72282644639054 is a wasteful number, since it uses less digits than its factorization.

72282644639054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36141322319529.

The product of its (nonzero) digits is 139345920, while the sum is 62.

The spelling of 72282644639054 in words is "seventy-two trillion, two hundred eighty-two billion, six hundred forty-four million, six hundred thirty-nine thousand, fifty-four".