69880080 has 40 divisors (see below), whose sum is σ = 216628992. Its totient is φ = 18634624.

The previous prime is 69880079. The next prime is 69880093. The reversal of 69880080 is 8008896.

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

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, 145344 + ... + 145823.

Almost surely, 2^69880080 is an apocalyptic number.

69880080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

69880080 is an abundant number, since it is smaller than the sum of its proper divisors (146748912).

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

69880080 is a wasteful number, since it uses less digits than its factorization.

69880080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291183 (or 291177 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 39.

The square root of 69880080 is about 8359.4306026188. The cubic root of 69880080 is about 411.8930504438.

The spelling of 69880080 in words is "sixty-nine million, eight hundred eighty thousand, eighty".