70868843 has 2 divisors, whose sum is σ = 70868844. Its totient is φ = 70868842.

The previous prime is 70868839. The next prime is 70868849. The reversal of 70868843 is 34886807.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70868843 - 2² = 70868839 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 70868794 and 70868803.

It is not a weakly prime, because it can be changed into another prime (70868849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35434421 + 35434422.

It is an arithmetic number, because the mean of its divisors is an integer number (35434422).

Almost surely, 2^70868843 is an apocalyptic number.

70868843 is a deficient number, since it is larger than the sum of its proper divisors (1).

70868843 is an equidigital number, since it uses as much as digits as its factorization.

70868843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 70868843 is about 8418.3634395291. The cubic root of 70868843 is about 413.8266425502.

The spelling of 70868843 in words is "seventy million, eight hundred sixty-eight thousand, eight hundred forty-three".