247670 has 8 divisors (see below), whose sum is σ = 445824. Its totient is φ = 99064.

The previous prime is 247651. The next prime is 247691. The reversal of 247670 is 76742.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×247670² = 122680857800, which contains 22 as substring.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 247670.

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, 12374 + ... + 12393.

It is an arithmetic number, because the mean of its divisors is an integer number (55728).

2²⁴⁷⁶⁷⁰ is an apocalyptic number.

247670 is a deficient number, since it is larger than the sum of its proper divisors (198154).

247670 is a wasteful number, since it uses less digits than its factorization.

247670 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24774.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 247670 is about 497.6645456530. The cubic root of 247670 is about 62.7997335918.

The spelling of 247670 in words is "two hundred forty-seven thousand, six hundred seventy".