7447522097 has 4 divisors (see below), whose sum is σ = 7648806516. Its totient is φ = 7246237680.

The previous prime is 7447522013. The next prime is 7447522217. The reversal of 7447522097 is 7902257447.

It is a happy number.

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 5241904801 + 2205617296 = 72401^2 + 46964^2 .

It is a cyclic number.

It is not a de Polignac number, because 7447522097 - 2⁸ = 7447521841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7447522007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100642154 + ... + 100642227.

It is an arithmetic number, because the mean of its divisors is an integer number (1912201629).

Almost surely, 2^7447522097 is an apocalyptic number.

It is an amenable number.

7447522097 is a deficient number, since it is larger than the sum of its proper divisors (201284419).

7447522097 is a wasteful number, since it uses less digits than its factorization.

7447522097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201284418.

The product of its (nonzero) digits is 987840, while the sum is 47.

The square root of 7447522097 is about 86299.0272077270. The cubic root of 7447522097 is about 1952.8577076204.

The spelling of 7447522097 in words is "seven billion, four hundred forty-seven million, five hundred twenty-two thousand, ninety-seven".