67073230225 has 9 divisors (see below), whose sum is σ = 83172411217. Its totient is φ = 53657548240.

The previous prime is 67073230187. The next prime is 67073230241. The reversal of 67073230225 is 52203237076.

The square root of 67073230225 is 258985.

It is a perfect power (a square), and thus also a powerful number.

67073230225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13056033169 + 54017197056 = 114263^2 + 232416^2 .

It is not a de Polignac number, because 67073230225 - 2⁷ = 67073230097 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1269027 + ... + 1320823.

Almost surely, 2^67073230225 is an apocalyptic number.

67073230225 is the 258985-th square number.

67073230225 is the 129493-rd centered octagonal number.

It is an amenable number.

67073230225 is a deficient number, since it is larger than the sum of its proper divisors (16099180992).

67073230225 is an frugal number, since it uses more digits than its factorization.

67073230225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103604 (or 51802 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 37.

The spelling of 67073230225 in words is "sixty-seven billion, seventy-three million, two hundred thirty thousand, two hundred twenty-five".