7322506645 has 32 divisors (see below), whose sum is σ = 9595989216. Its totient is φ = 5341593600.

The previous prime is 7322506637. The next prime is 7322506649. The reversal of 7322506645 is 5466052237.

It can be written as a sum of positive squares in 16 ways, for example, as 822599761 + 6499906884 = 28681^2 + 80622^2 .

It is not a de Polignac number, because 7322506645 - 2³ = 7322506637 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7322506598 and 7322506607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7322506649) 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 31 ways as a sum of consecutive naturals, for example, 753115 + ... + 762775.

It is an arithmetic number, because the mean of its divisors is an integer number (299874663).

Almost surely, 2^7322506645 is an apocalyptic number.

It is an amenable number.

7322506645 is a deficient number, since it is larger than the sum of its proper divisors (2273482571).

7322506645 is a wasteful number, since it uses less digits than its factorization.

7322506645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9961.

The product of its (nonzero) digits is 302400, while the sum is 40.

The square root of 7322506645 is about 85571.6462679082. The cubic root of 7322506645 is about 1941.8689825923.

The spelling of 7322506645 in words is "seven billion, three hundred twenty-two million, five hundred six thousand, six hundred forty-five".