69880 has 16 divisors (see below), whose sum is σ = 157320. Its totient is φ = 27936.

The previous prime is 69877. The next prime is 69899. The reversal of 69880 is 8896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 834 + ... + 913.

2⁶⁹⁸⁸⁰ is an apocalyptic number.

It is an amenable number.

69880 is an abundant number, since it is smaller than the sum of its proper divisors (87440).

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

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78660).

69880 is a wasteful number, since it uses less digits than its factorization.

69880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1758 (or 1754 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 69880 is about 264.3482551484. The cubic root of 69880 is about 41.1892893263.

It can be divided in two parts, 69 and 880, that added together give a palindrome (949).

The spelling of 69880 in words is "sixty-nine thousand, eight hundred eighty".