7220040950725 has 12 divisors (see below), whose sum is σ = 8952884111556. Its totient is φ = 5776011255680.

The previous prime is 7220040950677. The next prime is 7220040950753. The reversal of 7220040950725 is 5270590400227.

It can be written as a sum of positive squares in 6 ways, for example, as 3801088331044 + 3418952619681 = 1949638^2 + 1849041^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7220040950725 is a prime.

It is a Duffinian number.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 12779319 + ... + 13332331.

It is an arithmetic number, because the mean of its divisors is an integer number (746073675963).

Almost surely, 2^{7220040950725} is an apocalyptic number.

It is an amenable number.

7220040950725 is a deficient number, since it is larger than the sum of its proper divisors (1732843160831).

7220040950725 is a wasteful number, since it uses less digits than its factorization.

7220040950725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1075256 (or 1075251 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 7220040950725 in words is "seven trillion, two hundred twenty billion, forty million, nine hundred fifty thousand, seven hundred twenty-five".