247130460 has 192 divisors, whose sum is σ = 816076800. Its totient is φ = 61979904.

The previous prime is 247130453. The next prime is 247130461. The reversal of 247130460 is 64031742.

It is a super-2 number, since 2×247130460² = 122146928519623200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247130461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 673197 + ... + 673563.

It is an arithmetic number, because the mean of its divisors is an integer number (4250400).

Almost surely, 2^247130460 is an apocalyptic number.

247130460 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 247130460, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (408038400).

247130460 is an abundant number, since it is smaller than the sum of its proper divisors (568946340).

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

247130460 is a wasteful number, since it uses less digits than its factorization.

247130460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 449 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 247130460 is about 15720.3835831064. The cubic root of 247130460 is about 627.5409813290.

The spelling of 247130460 in words is "two hundred forty-seven million, one hundred thirty thousand, four hundred sixty".