7522364845 has 4 divisors (see below), whose sum is σ = 9026837820. Its totient is φ = 6017891872.

The previous prime is 7522364791. The next prime is 7522364873. The reversal of 7522364845 is 5484632257.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4952077641 + 2570287204 = 70371^2 + 50698^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7522364845 is a prime.

It is a super-2 number, since 2×7522364845² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7522364795 and 7522364804.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 752236480 + ... + 752236489.

It is an arithmetic number, because the mean of its divisors is an integer number (2256709455).

Almost surely, 2^7522364845 is an apocalyptic number.

It is an amenable number.

7522364845 is a deficient number, since it is larger than the sum of its proper divisors (1504472975).

7522364845 is a wasteful number, since it uses less digits than its factorization.

7522364845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1504472974.

The product of its digits is 1612800, while the sum is 46.

The square root of 7522364845 is about 86731.5677536155. The cubic root of 7522364845 is about 1959.3775655269.

The spelling of 7522364845 in words is "seven billion, five hundred twenty-two million, three hundred sixty-four thousand, eight hundred forty-five".