7153522272 has 72 divisors (see below), whose sum is σ = 21907673424. Its totient is φ = 2201082624.

The previous prime is 7153522237. The next prime is 7153522297. The reversal of 7153522272 is 2722253517.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 951588 + ... + 959075.

It is an arithmetic number, because the mean of its divisors is an integer number (304273242).

Almost surely, 2^7153522272 is an apocalyptic number.

7153522272 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

7153522272 is an abundant number, since it is smaller than the sum of its proper divisors (14754151152).

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

7153522272 is a wasteful number, since it uses less digits than its factorization.

7153522272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1910692 (or 1910681 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 7153522272 is about 84578.4976929716. The cubic root of 7153522272 is about 1926.8148194217.

Adding to 7153522272 its reverse (2722253517), we get a palindrome (9875775789).

The spelling of 7153522272 in words is "seven billion, one hundred fifty-three million, five hundred twenty-two thousand, two hundred seventy-two".