247675 has 6 divisors (see below), whose sum is σ = 307148. Its totient is φ = 198120.

The previous prime is 247651. The next prime is 247691. The reversal of 247675 is 576742.

It is not a de Polignac number, because 247675 - 2⁷ = 247547 is a prime.

It is a super-2 number, since 2×247675² = 122685811250, which contains 22 as substring.

It is a d-powerful number, because it can be written as 2¹³ + 4⁵ + 6² + 7⁶ + 7⁶ + 5⁵ .

It is a Duffinian number.

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 5 ways as a sum of consecutive naturals, for example, 4929 + ... + 4978.

2²⁴⁷⁶⁷⁵ is an apocalyptic number.

247675 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

247675 is a deficient number, since it is larger than the sum of its proper divisors (59473).

247675 is an equidigital number, since it uses as much as digits as its factorization.

247675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9917 (or 9912 counting only the distinct ones).

The product of its digits is 11760, while the sum is 31.

The square root of 247675 is about 497.6695690918. The cubic root of 247675 is about 62.8001561926.

The spelling of 247675 in words is "two hundred forty-seven thousand, six hundred seventy-five".