69973225 has 27 divisors (see below), whose sum is σ = 101356887. Its totient is φ = 47780880.

The previous prime is 69973213. The next prime is 69973229. The reversal of 69973225 is 52237996.

The square root of 69973225 is 8365.

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

It can be written as a sum of positive squares in only one way, i.e., 25190361 + 44782864 = 5019^2 + 6692^2 .

It is not a de Polignac number, because 69973225 - 2⁷ = 69973097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69973229) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 292656 + ... + 292894.

Almost surely, 2^69973225 is an apocalyptic number.

69973225 is the 8365-th square number.

69973225 is the 4183-rd centered octagonal number.

It is an amenable number.

69973225 is a deficient number, since it is larger than the sum of its proper divisors (31383662).

69973225 is an equidigital number, since it uses as much as digits as its factorization.

69973225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502 (or 251 counting only the distinct ones).

The product of its digits is 204120, while the sum is 43.

The cubic root of 69973225 is about 412.0759768922.

The spelling of 69973225 in words is "sixty-nine million, nine hundred seventy-three thousand, two hundred twenty-five".