69680 has 40 divisors (see below), whose sum is σ = 177072. Its totient is φ = 25344.

The previous prime is 69677. The next prime is 69691. The reversal of 69680 is 8696.

It is a tau number, because it is divible by the number of its divisors (40).

It is a zygodrome in base 9.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 1073.

2⁶⁹⁶⁸⁰ 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 69680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (88536).

69680 is an abundant number, since it is smaller than the sum of its proper divisors (107392).

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

69680 is a wasteful number, since it uses less digits than its factorization.

69680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 29.

The square root of 69680 is about 263.9696952303. The cubic root of 69680 is about 41.1499565203.

The spelling of 69680 in words is "sixty-nine thousand, six hundred eighty".