69045680 has 80 divisors (see below), whose sum is σ = 180845568. Its totient is φ = 24288000.

The previous prime is 69045631. The next prime is 69045703. The reversal of 69045680 is 8654096.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26015 + ... + 28545.

Almost surely, 2^69045680 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 69045680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90422784).

69045680 is an abundant number, since it is smaller than the sum of its proper divisors (111799888).

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

69045680 is a wasteful number, since it uses less digits than its factorization.

69045680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2586 (or 2580 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 69045680 is about 8309.3730208723. The cubic root of 69045680 is about 410.2470848548.

The spelling of 69045680 in words is "sixty-nine million, forty-five thousand, six hundred eighty".