70868999 has 2 divisors, whose sum is σ = 70869000. Its totient is φ = 70868998.

The previous prime is 70868983. The next prime is 70869013. The reversal of 70868999 is 99986807.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 70868999 - 2⁴ = 70868983 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70868909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35434499 + 35434500.

It is an arithmetic number, because the mean of its divisors is an integer number (35434500).

Almost surely, 2^70868999 is an apocalyptic number.

70868999 is a deficient number, since it is larger than the sum of its proper divisors (1).

70868999 is an equidigital number, since it uses as much as digits as its factorization.

70868999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 70868999 is about 8418.3727049828. The cubic root of 70868999 is about 413.8269461952.

The spelling of 70868999 in words is "seventy million, eight hundred sixty-eight thousand, nine hundred ninety-nine".