69408416 has 96 divisors (see below), whose sum is σ = 180496512. Its totient is φ = 25436160.

The previous prime is 69408403. The next prime is 69408431. The reversal of 69408416 is 61480496.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 69408416.

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, 41060 + ... + 42716.

It is an arithmetic number, because the mean of its divisors is an integer number (1880172).

Almost surely, 2^69408416 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 69408416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90248256).

69408416 is an abundant number, since it is smaller than the sum of its proper divisors (111088096).

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

69408416 is a wasteful number, since it uses less digits than its factorization.

69408416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702 (or 1694 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 69408416 is about 8331.1713462154. The cubic root of 69408416 is about 410.9642503976.

The spelling of 69408416 in words is "sixty-nine million, four hundred eight thousand, four hundred sixteen".