72707712203 has 8 divisors (see below), whose sum is σ = 83871113472. Its totient is φ = 61738457256.

The previous prime is 72707712193. The next prime is 72707712223. The reversal of 72707712203 is 30221770727.

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

It is not a de Polignac number, because 72707712203 - 2¹² = 72707708107 is a prime.

It is a super-2 number, since 2×72707712203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72707712223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48535775 + ... + 48537272.

It is an arithmetic number, because the mean of its divisors is an integer number (10483889184).

Almost surely, 2^72707712203 is an apocalyptic number.

72707712203 is a deficient number, since it is larger than the sum of its proper divisors (11163401269).

72707712203 is a wasteful number, since it uses less digits than its factorization.

72707712203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97073161.

The product of its (nonzero) digits is 57624, while the sum is 38.

The spelling of 72707712203 in words is "seventy-two billion, seven hundred seven million, seven hundred twelve thousand, two hundred three".