247745068 has 6 divisors (see below), whose sum is σ = 433553876. Its totient is φ = 123872532.

The previous prime is 247745041. The next prime is 247745077. The reversal of 247745068 is 860547742.

247745068 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 2×247745068² = 122755237436649248, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 30968130 + ... + 30968137.

Almost surely, 2^247745068 is an apocalyptic number.

It is an amenable number.

247745068 is a deficient number, since it is larger than the sum of its proper divisors (185808808).

247745068 is a wasteful number, since it uses less digits than its factorization.

247745068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61936271 (or 61936269 counting only the distinct ones).

The product of its (nonzero) digits is 376320, while the sum is 43.

The square root of 247745068 is about 15739.9195677742. The cubic root of 247745068 is about 628.0607775167.

The spelling of 247745068 in words is "two hundred forty-seven million, seven hundred forty-five thousand, sixty-eight".