69755225 has 6 divisors (see below), whose sum is σ = 86496510. Its totient is φ = 55804160.

The previous prime is 69755219. The next prime is 69755303. The reversal of 69755225 is 52255796.

It can be written as a sum of positive squares in 3 ways, for example, as 4129024 + 65626201 = 2032^2 + 8101^2 .

It is not a de Polignac number, because 69755225 - 2¹⁶ = 69689689 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1395080 + ... + 1395129.

It is an arithmetic number, because the mean of its divisors is an integer number (14416085).

Almost surely, 2^69755225 is an apocalyptic number.

It is an amenable number.

69755225 is a deficient number, since it is larger than the sum of its proper divisors (16741285).

69755225 is a wasteful number, since it uses less digits than its factorization.

69755225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2790219 (or 2790214 counting only the distinct ones).

The product of its digits is 189000, while the sum is 41.

The square root of 69755225 is about 8351.9593509547. The cubic root of 69755225 is about 411.6475939157.

The spelling of 69755225 in words is "sixty-nine million, seven hundred fifty-five thousand, two hundred twenty-five".