706919 has 2 divisors, whose sum is σ = 706920. Its totient is φ = 706918.

The previous prime is 706913. The next prime is 706921. The reversal of 706919 is 919607.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706919 is a prime.

It is a super-2 number, since 2×706919² = 999468945122, which contains 22 as substring.

Together with 706921, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (706913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353459 + 353460.

It is an arithmetic number, because the mean of its divisors is an integer number (353460).

2⁷⁰⁶⁹¹⁹ is an apocalyptic number.

706919 is a deficient number, since it is larger than the sum of its proper divisors (1).

706919 is an equidigital number, since it uses as much as digits as its factorization.

706919 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3402, while the sum is 32.

The square root of 706919 is about 840.7847524783. The cubic root of 706919 is about 89.0819848002.

The spelling of 706919 in words is "seven hundred six thousand, nine hundred nineteen".