7374928648945 has 48 divisors (see below), whose sum is σ = 10476688012560. Its totient is φ = 4950613578240.

The previous prime is 7374928648933. The next prime is 7374928648949. The reversal of 7374928648945 is 5498468294737.

It can be written as a sum of positive squares in 8 ways, for example, as 1665810979569 + 5709117669376 = 1290663^2 + 2389376^2 .

It is a de Polignac number, because none of the positive numbers 2^k-7374928648945 is a prime.

It is a super-2 number, since 2×7374928648945² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7374928648949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 129563151 + ... + 129620059.

It is an arithmetic number, because the mean of its divisors is an integer number (218264333595).

Almost surely, 2^{7374928648945} is an apocalyptic number.

It is an amenable number.

7374928648945 is a deficient number, since it is larger than the sum of its proper divisors (3101759363615).

7374928648945 is a wasteful number, since it uses less digits than its factorization.

7374928648945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73426 (or 73415 counting only the distinct ones).

The product of its digits is 2926264320, while the sum is 76.

The spelling of 7374928648945 in words is "seven trillion, three hundred seventy-four billion, nine hundred twenty-eight million, six hundred forty-eight thousand, nine hundred forty-five".