247166272 has 28 divisors (see below), whose sum is σ = 490992160. Its totient is φ = 123451776.

The previous prime is 247166267. The next prime is 247166347. The reversal of 247166272 is 272661742.

It is a super-2 number, since 2×247166272² = 122182332028755968, which contains 22 as substring.

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92053 + ... + 94699.

Almost surely, 2^247166272 is an apocalyptic number.

It is an amenable number.

247166272 is a deficient number, since it is larger than the sum of its proper divisors (243825888).

247166272 is a wasteful number, since it uses less digits than its factorization.

247166272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4118 (or 4108 counting only the distinct ones).

The product of its digits is 56448, while the sum is 37.

The square root of 247166272 is about 15721.5225725755. The cubic root of 247166272 is about 627.5712924613.

The spelling of 247166272 in words is "two hundred forty-seven million, one hundred sixty-six thousand, two hundred seventy-two".