247347580722 has 96 divisors (see below), whose sum is σ = 554284926720. Its totient is φ = 73515525600.

The previous prime is 247347580687. The next prime is 247347580729. The reversal of 247347580722 is 227085743742.

It is a super-2 number, since 2×247347580722² (a number of 24 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (51) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (247347580729) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8361097 + ... + 8390627.

It is an arithmetic number, because the mean of its divisors is an integer number (5773801320).

Almost surely, 2^247347580722 is an apocalyptic number.

247347580722 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 247347580722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (277142463360).

247347580722 is an abundant number, since it is smaller than the sum of its proper divisors (306937345998).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247347580722 is a wasteful number, since it uses less digits than its factorization.

247347580722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29780 (or 29769 counting only the distinct ones).

The product of its (nonzero) digits is 5268480, while the sum is 51.

The spelling of 247347580722 in words is "two hundred forty-seven billion, three hundred forty-seven million, five hundred eighty thousand, seven hundred twenty-two".