8374750645 has 16 divisors (see below), whose sum is σ = 10411720560. Its totient is φ = 6459142144.

The previous prime is 8374750619. The next prime is 8374750661. The reversal of 8374750645 is 5460574738.

It can be written as a sum of positive squares in 8 ways, for example, as 3182539396 + 5192211249 = 56414^2 + 72057^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8374750645 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 55509 + ... + 140821.

It is an arithmetic number, because the mean of its divisors is an integer number (650732535).

Almost surely, 2^8374750645 is an apocalyptic number.

It is an amenable number.

8374750645 is a deficient number, since it is larger than the sum of its proper divisors (2036969915).

8374750645 is a wasteful number, since it uses less digits than its factorization.

8374750645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86024.

The product of its (nonzero) digits is 2822400, while the sum is 49.

The square root of 8374750645 is about 91513.6637065744. The cubic root of 8374750645 is about 2030.7538954491.

The spelling of 8374750645 in words is "eight billion, three hundred seventy-four million, seven hundred fifty thousand, six hundred forty-five".