3223740527721 has 64 divisors (see below), whose sum is σ = 5589021081600. Its totient is φ = 1798040135808.

The previous prime is 3223740527677. The next prime is 3223740527723. The reversal of 3223740527721 is 1277250473223.

3223740527721 is a `hidden beast` number, since 3 + 2 + 2 + 374 + 0 + 5 + 277 + 2 + 1 = 666.

It is not a de Polignac number, because 3223740527721 - 2¹⁰ = 3223740526697 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3223740527723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11556925 + ... + 11832581.

It is an arithmetic number, because the mean of its divisors is an integer number (87328454400).

Almost surely, 2^{3223740527721} is an apocalyptic number.

It is an amenable number.

3223740527721 is a deficient number, since it is larger than the sum of its proper divisors (2365280553879).

3223740527721 is a wasteful number, since it uses less digits than its factorization.

3223740527721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277155 (or 277149 counting only the distinct ones).

The product of its (nonzero) digits is 987840, while the sum is 45.

The spelling of 3223740527721 in words is "three trillion, two hundred twenty-three billion, seven hundred forty million, five hundred twenty-seven thousand, seven hundred twenty-one".