7725732056 has 32 divisors (see below), whose sum is σ = 16558244640.
Its totient is φ = 3310407168.
The previous prime is 7725732043. The next prime is 7725732073. The reversal of 7725732056 is 6502375277.
It is a super-2 number, since 2×77257320562 (a number of 21 digits) contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 7725731998 and 7725732016.
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 7 ways as a sum of consecutive naturals, for example, 411776 + ... + 430128.
It is an arithmetic number, because the mean of its divisors is an integer number (517445145).
Almost surely, 27725732056 is an apocalyptic number.
It is an amenable number.
7725732056 is an abundant number, since it is smaller than the sum of its proper divisors (8832512584).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
7725732056 is a wasteful number, since it uses less digits than its factorization.
7725732056 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 25883 (or 25879 counting only the distinct ones).
The product of its (nonzero) digits is 617400, while the sum is 44.
The square root of 7725732056 is about 87896.1435786576.
The cubic root of 7725732056 is about 1976.8780559818.
The spelling of 7725732056 in words is "seven billion, seven hundred twenty-five million, seven hundred thirty-two thousand, fifty-six".