69880448 has 64 divisors (see below), whose sum is σ = 156867840. Its totient is φ = 30720000.

The previous prime is 69880411. The next prime is 69880501. The reversal of 69880448 is 84408896.

It is a tau number, because it is divible by the number of its divisors (64).

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, 42848 + ... + 44448.

It is an arithmetic number, because the mean of its divisors is an integer number (2451060).

Almost surely, 2^69880448 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 69880448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78433920).

69880448 is an abundant number, since it is smaller than the sum of its proper divisors (86987392).

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

69880448 is a wasteful number, since it uses less digits than its factorization.

69880448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1657 (or 1645 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 47.

The square root of 69880448 is about 8359.4526136584. The cubic root of 69880448 is about 411.8937734747.

The spelling of 69880448 in words is "sixty-nine million, eight hundred eighty thousand, four hundred forty-eight".