69378125 has 18 divisors (see below), whose sum is σ = 87303006. Its totient is φ = 55130000.

The previous prime is 69378119. The next prime is 69378149. The reversal of 69378125 is 52187396.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 9 ways, for example, as 58951684 + 10426441 = 7678^2 + 3229^2 .

It is not a de Polignac number, because 69378125 - 2⁶ = 69378061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 465551 + ... + 465699.

It is an arithmetic number, because the mean of its divisors is an integer number (4850167).

Almost surely, 2^69378125 is an apocalyptic number.

It is an amenable number.

69378125 is a deficient number, since it is larger than the sum of its proper divisors (17924881).

69378125 is an frugal number, since it uses more digits than its factorization.

69378125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323 (or 154 counting only the distinct ones).

The product of its digits is 90720, while the sum is 41.

The square root of 69378125 is about 8329.3532161867. The cubic root of 69378125 is about 410.9044577952.

The spelling of 69378125 in words is "sixty-nine million, three hundred seventy-eight thousand, one hundred twenty-five".