701688 has 48 divisors (see below), whose sum is σ = 1910520. Its totient is φ = 214656.

The previous prime is 701681. The next prime is 701699. The reversal of 701688 is 886107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (701681) by changing a digit.

701688 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 in 11 ways as a sum of consecutive naturals, for example, 3970 + ... + 4142.

2⁷⁰¹⁶⁸⁸ is an apocalyptic number.

701688 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 701688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (955260).

701688 is an abundant number, since it is smaller than the sum of its proper divisors (1208832).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

701688 is a wasteful number, since it uses less digits than its factorization.

701688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 701688 is about 837.6681920665. The cubic root of 701688 is about 88.8617134519.

The spelling of 701688 in words is "seven hundred one thousand, six hundred eighty-eight".