7540662025 has 12 divisors (see below), whose sum is σ = 10069684492. Its totient is φ = 5568488640.

The previous prime is 7540662023. The next prime is 7540662037. The reversal of 7540662025 is 5202660457.

It can be written as a sum of positive squares in 6 ways, for example, as 1742144121 + 5798517904 = 41739^2 + 76148^2 .

It is not a de Polignac number, because 7540662025 - 2¹ = 7540662023 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7540662023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11600694 + ... + 11601343.

Almost surely, 2^7540662025 is an apocalyptic number.

It is an amenable number.

7540662025 is a deficient number, since it is larger than the sum of its proper divisors (2529022467).

7540662025 is a wasteful number, since it uses less digits than its factorization.

7540662025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23202060 (or 23202055 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The square root of 7540662025 is about 86836.9853518649. The cubic root of 7540662025 is about 1960.9649234145.

The spelling of 7540662025 in words is "seven billion, five hundred forty million, six hundred sixty-two thousand, twenty-five".