247272712 has 8 divisors (see below), whose sum is σ = 463636350. Its totient is φ = 123636352.

The previous prime is 247272703. The next prime is 247272721. The reversal of 247272712 is 217272742.

It is an interprime number because it is at equal distance from previous prime (247272703) and next prime (247272721).

It can be written as a sum of positive squares in only one way, i.e., 205463556 + 41809156 = 14334^2 + 6466^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×247272712² = 122287588199669888, which contains 22 as substring.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 24 and 7272712 contains 247272712 itself.

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 as a sum of consecutive naturals, namely, 15454537 + ... + 15454552.

Almost surely, 2^247272712 is an apocalyptic number.

It is an amenable number.

247272712 is a deficient number, since it is larger than the sum of its proper divisors (216363638).

247272712 is a wasteful number, since it uses less digits than its factorization.

247272712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30909095 (or 30909091 counting only the distinct ones).

The product of its digits is 21952, while the sum is 34.

The square root of 247272712 is about 15724.9073765158. The cubic root of 247272712 is about 627.6613655679.

The spelling of 247272712 in words is "two hundred forty-seven million, two hundred seventy-two thousand, seven hundred twelve".