69788825 has 12 divisors (see below), whose sum is σ = 91629180. Its totient is φ = 52546560.

The previous prime is 69788821. The next prime is 69788827. The reversal of 69788825 is 52888796.

It can be written as a sum of positive squares in 6 ways, for example, as 2729104 + 67059721 = 1652^2 + 8189^2 .

It is not a de Polignac number, because 69788825 - 2² = 69788821 is a prime.

It is not an unprimeable number, because it can be changed into a prime (69788821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81680 + ... + 82529.

It is an arithmetic number, because the mean of its divisors is an integer number (7635765).

Almost surely, 2^69788825 is an apocalyptic number.

It is an amenable number.

69788825 is a deficient number, since it is larger than the sum of its proper divisors (21840355).

69788825 is a wasteful number, since it uses less digits than its factorization.

69788825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164236 (or 164231 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 53.

The square root of 69788825 is about 8353.9706128284. The cubic root of 69788825 is about 411.7136780404.

The spelling of 69788825 in words is "sixty-nine million, seven hundred eighty-eight thousand, eight hundred twenty-five".