7227302542472 has 8 divisors (see below), whose sum is σ = 13551192267150. Its totient is φ = 3613651271232.

The previous prime is 7227302542469. The next prime is 7227302542477. The reversal of 7227302542472 is 2742452037227.

It can be written as a sum of positive squares in only one way, i.e., 3743009918596 + 3484292623876 = 1934686^2 + 1866626^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (7227302542477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 451706408897 + ... + 451706408912.

Almost surely, 2^{7227302542472} is an apocalyptic number.

It is an amenable number.

7227302542472 is a deficient number, since it is larger than the sum of its proper divisors (6323889724678).

7227302542472 is a wasteful number, since it uses less digits than its factorization.

7227302542472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 903412817815 (or 903412817811 counting only the distinct ones).

The product of its (nonzero) digits is 2634240, while the sum is 47.

Adding to 7227302542472 its reverse (2742452037227), we get a palindrome (9969754579699).

The spelling of 7227302542472 in words is "seven trillion, two hundred twenty-seven billion, three hundred two million, five hundred forty-two thousand, four hundred seventy-two".