69328128 has 36 divisors (see below), whose sum is σ = 184515968. Its totient is φ = 23109120.

The previous prime is 69328123. The next prime is 69328139. The reversal of 69328128 is 82182396.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69328123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44368 + ... + 45903.

Almost surely, 2^69328128 is an apocalyptic number.

It is an amenable number.

69328128 is an abundant number, since it is smaller than the sum of its proper divisors (115187840).

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

69328128 is an equidigital number, since it uses as much as digits as its factorization.

69328128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90290 (or 90276 counting only the distinct ones).

The product of its digits is 41472, while the sum is 39.

The square root of 69328128 is about 8326.3514218414. The cubic root of 69328128 is about 410.8057286586.

The spelling of 69328128 in words is "sixty-nine million, three hundred twenty-eight thousand, one hundred twenty-eight".