72903979654 has 8 divisors (see below), whose sum is σ = 119297421288. Its totient is φ = 33138172560.

The previous prime is 72903979591. The next prime is 72903979679. The reversal of 72903979654 is 45697930927.

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 = 72903979592 and 72903979601.

It is a congruent 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, 1656908607 + ... + 1656908650.

It is an arithmetic number, because the mean of its divisors is an integer number (14912177661).

Almost surely, 2^72903979654 is an apocalyptic number.

72903979654 is a deficient number, since it is larger than the sum of its proper divisors (46393441634).

72903979654 is a wasteful number, since it uses less digits than its factorization.

72903979654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3313817270.

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 72903979654 in words is "seventy-two billion, nine hundred three million, nine hundred seventy-nine thousand, six hundred fifty-four".