7207250665 has 8 divisors (see below), whose sum is σ = 8946932040. Its totient is φ = 5566979712.

The previous prime is 7207250651. The next prime is 7207250707. The reversal of 7207250665 is 5660527027.

7207250665 is digitally balanced in base 3, 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 1971715216 + 5235535449 = 44404^2 + 72357^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7207250665 - 2⁹ = 7207250153 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24852444 + ... + 24852733.

It is an arithmetic number, because the mean of its divisors is an integer number (1118366505).

Almost surely, 2^7207250665 is an apocalyptic number.

It is an amenable number.

7207250665 is a deficient number, since it is larger than the sum of its proper divisors (1739681375).

7207250665 is a wasteful number, since it uses less digits than its factorization.

7207250665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49705211.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 7207250665 is about 84895.5279446450. The cubic root of 7207250665 is about 1931.6267406467.

The spelling of 7207250665 in words is "seven billion, two hundred seven million, two hundred fifty thousand, six hundred sixty-five".