7270120225 has 9 divisors (see below), whose sum is σ = 9015477753. Its totient is φ = 5815755120.

The previous prime is 7270120183. The next prime is 7270120237. The reversal of 7270120225 is 5220210727.

The square root of 7270120225 is 85265.

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

It can be written as a sum of positive squares in 4 ways, for example, as 543495969 + 6726624256 = 23313^2 + 82016^2 .

It is not a de Polignac number, because 7270120225 - 2¹⁹ = 7269595937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7270120193 and 7270120202.

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, 417799 + ... + 434851.

Almost surely, 2^7270120225 is an apocalyptic number.

7270120225 is the 85265-th square number.

7270120225 is the 42633-rd centered octagonal number.

It is an amenable number.

7270120225 is a deficient number, since it is larger than the sum of its proper divisors (1745357528).

7270120225 is an frugal number, since it uses more digits than its factorization.

7270120225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34116 (or 17058 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 28.

The cubic root of 7270120225 is about 1937.2270783107.

The spelling of 7270120225 in words is "seven billion, two hundred seventy million, one hundred twenty thousand, two hundred twenty-five".