69696225 has 36 divisors (see below), whose sum is σ = 125692476. Its totient is φ = 36915840.

The previous prime is 69696217. The next prime is 69696229. The reversal of 69696225 is 52269696.

It can be written as a sum of positive squares in 6 ways, for example, as 10575504 + 59120721 = 3252^2 + 7689^2 .

It is not a de Polignac number, because 69696225 - 2³ = 69696217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69696229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 34339 + ... + 36311.

Almost surely, 2^69696225 is an apocalyptic number.

It is an amenable number.

69696225 is a deficient number, since it is larger than the sum of its proper divisors (55996251).

69696225 is a wasteful number, since it uses less digits than its factorization.

69696225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2146 (or 2138 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 69696225 is about 8348.4264984487. The cubic root of 69696225 is about 411.5315019730.

It can be divided in two parts, 69696 and 225, that multiplied together give a square (15681600 = 3960²).

The spelling of 69696225 in words is "sixty-nine million, six hundred ninety-six thousand, two hundred twenty-five".