7325531136 has 880 divisors, whose sum is σ = 28913989632. Its totient is φ = 1791590400.

The previous prime is 7325531123. The next prime is 7325531137. The reversal of 7325531136 is 6311355237.

7325531136 is a `hidden beast` number, since 73 + 2 + 553 + 1 + 1 + 36 = 666.

It is a super-3 number, since 3×7325531136³ (a number of 31 digits) contains 333 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7325531136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7325531137) by changing a digit.

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 79 ways as a sum of consecutive naturals, for example, 197987310 + ... + 197987346.

Almost surely, 2^7325531136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7325531136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14456994816).

7325531136 is an abundant number, since it is smaller than the sum of its proper divisors (21588458496).

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

7325531136 is a wasteful number, since it uses less digits than its factorization.

7325531136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118 (or 91 counting only the distinct ones).

The product of its digits is 56700, while the sum is 36.

The square root of 7325531136 is about 85589.3167165155. The cubic root of 7325531136 is about 1942.1363025650.

The spelling of 7325531136 in words is "seven billion, three hundred twenty-five million, five hundred thirty-one thousand, one hundred thirty-six".