247079 has 8 divisors (see below), whose sum is σ = 288768. Its totient is φ = 207000.

The previous prime is 247073. The next prime is 247087. The reversal of 247079 is 970742.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-247079 is a prime.

It is a super-2 number, since 2×247079² = 122096064482, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (247073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47 + ... + 704.

It is an arithmetic number, because the mean of its divisors is an integer number (36096).

247079 is a Friedman number, since it can be written as 497^2+70, using all its digits and the basic arithmetic operations.

2²⁴⁷⁰⁷⁹ is an apocalyptic number.

247079 is a deficient number, since it is larger than the sum of its proper divisors (41689).

247079 is an equidigital number, since it uses as much as digits as its factorization.

247079 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805.

The product of its (nonzero) digits is 3528, while the sum is 29.

The square root of 247079 is about 497.0704175466. The cubic root of 247079 is about 62.7497420665.

The spelling of 247079 in words is "two hundred forty-seven thousand, seventy-nine".