72017302047 has 16 divisors (see below), whose sum is σ = 99392880000. Its totient is φ = 46328585184.

The previous prime is 72017302003. The next prime is 72017302067. The reversal of 72017302047 is 74020371027.

It is not a de Polignac number, because 72017302047 - 2¹² = 72017297951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72017301999 and 72017302017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72017302067) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95797 + ... + 391422.

It is an arithmetic number, because the mean of its divisors is an integer number (6212055000).

Almost surely, 2^72017302047 is an apocalyptic number.

72017302047 is a deficient number, since it is larger than the sum of its proper divisors (27375577953).

72017302047 is a wasteful number, since it uses less digits than its factorization.

72017302047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488950.

The product of its (nonzero) digits is 16464, while the sum is 33.

The spelling of 72017302047 in words is "seventy-two billion, seventeen million, three hundred two thousand, forty-seven".