701691 has 8 divisors (see below), whose sum is σ = 949824. Its totient is φ = 460680.

The previous prime is 701681. The next prime is 701699. The reversal of 701691 is 196107.

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

It is not a de Polignac number, because 701691 - 2⁶ = 701627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (701699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1545 + ... + 1946.

It is an arithmetic number, because the mean of its divisors is an integer number (118728).

2⁷⁰¹⁶⁹¹ is an apocalyptic number.

701691 is a deficient number, since it is larger than the sum of its proper divisors (248133).

701691 is a wasteful number, since it uses less digits than its factorization.

701691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3561.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 701691 is about 837.6699827498. The cubic root of 701691 is about 88.8618400917.

Adding to 701691 its reverse (196107), we get a palindrome (897798).

The spelling of 701691 in words is "seven hundred one thousand, six hundred ninety-one".