695680 has 32 divisors (see below), whose sum is σ = 1664640. Its totient is φ = 278016.

The previous prime is 695677. The next prime is 695687. The reversal of 695680 is 86596.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (695687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 97 + ... + 1183.

It is an arithmetic number, because the mean of its divisors is an integer number (52020).

2⁶⁹⁵⁶⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 695680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (832320).

695680 is an abundant number, since it is smaller than the sum of its proper divisors (968960).

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

695680 is a wasteful number, since it uses less digits than its factorization.

695680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1106 (or 1094 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 695680 is about 834.0743372146. The cubic root of 695680 is about 88.6073685967.

The spelling of 695680 in words is "six hundred ninety-five thousand, six hundred eighty".