7618069207225 has 27 divisors (see below), whose sum is σ = 9761506535631. Its totient is φ = 5897528821200.

The previous prime is 7618069207223. The next prime is 7618069207277. The reversal of 7618069207225 is 5227029608167.

The square root of 7618069207225 is 2760085.

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., 2742504914601 + 4875564292624 = 1656051^2 + 2208068^2 .

It is not a de Polignac number, because 7618069207225 - 2¹ = 7618069207223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7618069207223) 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, 427804272 + ... + 427822078.

Almost surely, 2^{7618069207225} is an apocalyptic number.

7618069207225 is the 2760085-th square number.

7618069207225 is the 1380043-rd centered octagonal number.

It is an amenable number.

7618069207225 is a deficient number, since it is larger than the sum of its proper divisors (2143437328406).

7618069207225 is an frugal number, since it uses more digits than its factorization.

7618069207225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35686 (or 17843 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 55.

The spelling of 7618069207225 in words is "seven trillion, six hundred eighteen billion, sixty-nine million, two hundred seven thousand, two hundred twenty-five".