69984080 has 40 divisors (see below), whose sum is σ = 165391944. Its totient is φ = 27532800.

The previous prime is 69984073. The next prime is 69984107. The reversal of 69984080 is 8048996.

It can be written as a sum of positive squares in 4 ways, for example, as 6431296 + 63552784 = 2536^2 + 7972^2 .

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

It is a congruent number.

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, 2291 + ... + 12050.

Almost surely, 2^69984080 is an apocalyptic number.

It is an amenable number.

69984080 is an abundant number, since it is smaller than the sum of its proper divisors (95407864).

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

69984080 is a wasteful number, since it uses less digits than its factorization.

69984080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14415 (or 14409 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 44.

The square root of 69984080 is about 8365.6488092676. The cubic root of 69984080 is about 412.0972843444.

The spelling of 69984080 in words is "sixty-nine million, nine hundred eighty-four thousand, eighty".