7270243065 has 24 divisors (see below), whose sum is σ = 12605922888. Its totient is φ = 3876180480.

The previous prime is 7270243051. The next prime is 7270243091. The reversal of 7270243065 is 5603420727.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 883516176 + 6386726889 = 29724^2 + 79917^2 .

It is not a de Polignac number, because 7270243065 - 2⁸ = 7270242809 is a prime.

It is a Curzon number.

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 23 ways as a sum of consecutive naturals, for example, 119655 + ... + 169875.

It is an arithmetic number, because the mean of its divisors is an integer number (525246787).

Almost surely, 2^7270243065 is an apocalyptic number.

It is an amenable number.

7270243065 is a deficient number, since it is larger than the sum of its proper divisors (5335679823).

7270243065 is a wasteful number, since it uses less digits than its factorization.

7270243065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53449 (or 53446 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The square root of 7270243065 is about 85265.7203394189. The cubic root of 7270243065 is about 1937.2379890717.

The spelling of 7270243065 in words is "seven billion, two hundred seventy million, two hundred forty-three thousand, sixty-five".