7297430625 has 135 divisors (see below), whose sum is σ = 14204036847. Its totient is φ = 3608352000.

The previous prime is 7297430579. The next prime is 7297430641. The reversal of 7297430625 is 5260347927.

The square root of 7297430625 is 85425.

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

7297430625 is a `hidden beast` number, since 72 + 97 + 430 + 62 + 5 = 666.

7297430625 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 7 ways, for example, as 3563731809 + 3733698816 = 59697^2 + 61104^2 .

It is not a de Polignac number, because 7297430625 - 2¹¹ = 7297428577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 108916842 + ... + 108916908.

Almost surely, 2^7297430625 is an apocalyptic number.

7297430625 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7297430625 is the 85425-th square number.

7297430625 is the 42713-rd centered octagonal number.

It is an amenable number.

7297430625 is a deficient number, since it is larger than the sum of its proper divisors (6906606222).

7297430625 is an equidigital number, since it uses as much as digits as its factorization.

7297430625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194 (or 92 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 45.

The cubic root of 7297430625 is about 1939.6497955202.

The spelling of 7297430625 in words is "seven billion, two hundred ninety-seven million, four hundred thirty thousand, six hundred twenty-five".