7445313678 has 48 divisors (see below), whose sum is σ = 16809806160. Its totient is φ = 2195170560.

The previous prime is 7445313671. The next prime is 7445313691. The reversal of 7445313678 is 8763135447.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7445313671) 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 23 ways as a sum of consecutive naturals, for example, 111723 + ... + 165446.

It is an arithmetic number, because the mean of its divisors is an integer number (350204295).

Almost surely, 2^7445313678 is an apocalyptic number.

7445313678 is an abundant number, since it is smaller than the sum of its proper divisors (9364492482).

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

7445313678 is a wasteful number, since it uses less digits than its factorization.

7445313678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277233 (or 277222 counting only the distinct ones).

The product of its digits is 1693440, while the sum is 48.

The square root of 7445313678 is about 86286.2311032299. The cubic root of 7445313678 is about 1952.6646611115.

It can be divided in two parts, 7445 and 313678, that added together give a palindrome (321123).

The spelling of 7445313678 in words is "seven billion, four hundred forty-five million, three hundred thirteen thousand, six hundred seventy-eight".