72903159705 has 8 divisors (see below), whose sum is σ = 116645055552. Its totient is φ = 38881685168.

The previous prime is 72903159689. The next prime is 72903159739. The reversal of 72903159705 is 50795130927.

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

It is a cyclic number.

It is not a de Polignac number, because 72903159705 - 2⁴ = 72903159689 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2430105309 + ... + 2430105338.

It is an arithmetic number, because the mean of its divisors is an integer number (14580631944).

Almost surely, 2^72903159705 is an apocalyptic number.

It is an amenable number.

72903159705 is a deficient number, since it is larger than the sum of its proper divisors (43741895847).

72903159705 is a wasteful number, since it uses less digits than its factorization.

72903159705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4860210655.

The product of its (nonzero) digits is 595350, while the sum is 48.

The spelling of 72903159705 in words is "seventy-two billion, nine hundred three million, one hundred fifty-nine thousand, seven hundred five".