247723060 has 48 divisors (see below), whose sum is σ = 570837456. Its totient is φ = 89736192.

The previous prime is 247723051. The next prime is 247723067. The reversal of 247723060 is 60327742.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 5484964 + 242238096 = 2342^2 + 15564^2 .

It is a super-2 number, since 2×247723060² = 122733428911527200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247723067) 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, 4792 + ... + 22768.

It is an arithmetic number, because the mean of its divisors is an integer number (11892447).

Almost surely, 2^247723060 is an apocalyptic number.

247723060 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 247723060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (285418728).

247723060 is an abundant number, since it is smaller than the sum of its proper divisors (323114396).

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

247723060 is a wasteful number, since it uses less digits than its factorization.

247723060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18052 (or 18050 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 247723060 is about 15739.2204381284. The cubic root of 247723060 is about 628.0421794056.

The spelling of 247723060 in words is "two hundred forty-seven million, seven hundred twenty-three thousand, sixty".