247713056 has 24 divisors (see below), whose sum is σ = 490687344. Its totient is φ = 123094080.

The previous prime is 247713047. The next prime is 247713079. The reversal of 247713056 is 650317742.

247713056 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×247713056² = 122723516225718272, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18530 + ... + 28961.

It is an arithmetic number, because the mean of its divisors is an integer number (20445306).

Almost surely, 2^247713056 is an apocalyptic number.

It is an amenable number.

247713056 is a deficient number, since it is larger than the sum of its proper divisors (242974288).

247713056 is a wasteful number, since it uses less digits than its factorization.

247713056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47664 (or 47656 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 247713056 is about 15738.9026301073. The cubic root of 247713056 is about 628.0337250473.

The spelling of 247713056 in words is "two hundred forty-seven million, seven hundred thirteen thousand, fifty-six".