7221500792744 has 16 divisors (see below), whose sum is σ = 15474644556000. Its totient is φ = 3094928911152.

The previous prime is 7221500792651. The next prime is 7221500792783. The reversal of 7221500792744 is 4472970051227.

It is a junction number, because it is equal to n+sod(n) for n = 7221500792692 and 7221500792701.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 64477685594 + ... + 64477685705.

It is an arithmetic number, because the mean of its divisors is an integer number (967165284750).

Almost surely, 2^{7221500792744} is an apocalyptic number.

It is an amenable number.

7221500792744 is an abundant number, since it is smaller than the sum of its proper divisors (8253143763256).

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

7221500792744 is a wasteful number, since it uses less digits than its factorization.

7221500792744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128955371312 (or 128955371308 counting only the distinct ones).

The product of its (nonzero) digits is 1975680, while the sum is 50.

The spelling of 7221500792744 in words is "seven trillion, two hundred twenty-one billion, five hundred million, seven hundred ninety-two thousand, seven hundred forty-four".