7345285078681 has 12 divisors (see below), whose sum is σ = 8073967901076. Its totient is φ = 6677345966720.

The previous prime is 7345285078679. The next prime is 7345285078693. The reversal of 7345285078681 is 1868705825437.

7345285078681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2713251368025 + 4632033710656 = 1647195^2 + 2152216^2 .

It is not a de Polignac number, because 7345285078681 - 2¹ = 7345285078679 is a prime.

It is a super-2 number, since 2×7345285078681² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7345285078631) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3615525 + ... + 5269021.

It is an arithmetic number, because the mean of its divisors is an integer number (672830658423).

Almost surely, 2^{7345285078681} is an apocalyptic number.

It is an amenable number.

7345285078681 is a deficient number, since it is larger than the sum of its proper divisors (728682822395).

7345285078681 is a wasteful number, since it uses less digits than its factorization.

7345285078681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690232 (or 1690221 counting only the distinct ones).

The product of its (nonzero) digits is 90316800, while the sum is 64.

The spelling of 7345285078681 in words is "seven trillion, three hundred forty-five billion, two hundred eighty-five million, seventy-eight thousand, six hundred eighty-one".