7523368545 has 64 divisors (see below), whose sum is σ = 15413354496. Its totient is φ = 3042074880.

The previous prime is 7523368543. The next prime is 7523368591. The reversal of 7523368545 is 5458633257.

It is a happy number.

It is not a de Polignac number, because 7523368545 - 2¹ = 7523368543 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 7523368494 and 7523368503.

It is not an unprimeable number, because it can be changed into a prime (7523368543) 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 63 ways as a sum of consecutive naturals, for example, 45289 + ... + 130758.

It is an arithmetic number, because the mean of its divisors is an integer number (240833664).

Almost surely, 2^7523368545 is an apocalyptic number.

It is an amenable number.

7523368545 is an abundant number, since it is smaller than the sum of its proper divisors (7889985951).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7523368545 is a wasteful number, since it uses less digits than its factorization.

7523368545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176110.

The product of its digits is 3024000, while the sum is 48.

The square root of 7523368545 is about 86737.3538044596. The cubic root of 7523368545 is about 1959.4647074404.

The spelling of 7523368545 in words is "seven billion, five hundred twenty-three million, three hundred sixty-eight thousand, five hundred forty-five".