247720112306 has 8 divisors (see below), whose sum is σ = 371587758960. Its totient is φ = 123857525988.

The previous prime is 247720112243. The next prime is 247720112309. The reversal of 247720112306 is 603211027742.

247720112306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×247720112306² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (247720112309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140236 + ... + 1339991.

It is an arithmetic number, because the mean of its divisors is an integer number (46448469870).

Almost surely, 2^247720112306 is an apocalyptic number.

247720112306 is a deficient number, since it is larger than the sum of its proper divisors (123867646654).

247720112306 is a wasteful number, since it uses less digits than its factorization.

247720112306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2530168.

The product of its (nonzero) digits is 28224, while the sum is 35.

The spelling of 247720112306 in words is "two hundred forty-seven billion, seven hundred twenty million, one hundred twelve thousand, three hundred six".