706164631 has 4 divisors (see below), whose sum is σ = 706247152. Its totient is φ = 706082112.

The previous prime is 706164617. The next prime is 706164673. The reversal of 706164631 is 136461607.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 706164631 - 2⁹ = 706164119 is a prime.

It is a super-2 number, since 2×706164631² = 997336972150732322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (706164611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26715 + ... + 46108.

It is an arithmetic number, because the mean of its divisors is an integer number (176561788).

Almost surely, 2^706164631 is an apocalyptic number.

706164631 is a deficient number, since it is larger than the sum of its proper divisors (82521).

706164631 is an equidigital number, since it uses as much as digits as its factorization.

706164631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82520.

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 706164631 is about 26573.7583153005. The cubic root of 706164631 is about 890.5028639920.

The spelling of 706164631 in words is "seven hundred six million, one hundred sixty-four thousand, six hundred thirty-one".