8144673732 has 72 divisors (see below), whose sum is σ = 22420845720. Its totient is φ = 2477882880.

The previous prime is 8144673697. The next prime is 8144673737. The reversal of 8144673732 is 2373764418.

It can be written as a sum of positive squares in 4 ways, for example, as 382358916 + 7762314816 = 19554^2 + 88104^2 .

It is not an unprimeable number, because it can be changed into a prime (8144673737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 56119 + ... + 139422.

It is an arithmetic number, because the mean of its divisors is an integer number (311400635).

Almost surely, 2^8144673732 is an apocalyptic number.

It is an amenable number.

8144673732 is an abundant number, since it is smaller than the sum of its proper divisors (14276171988).

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

8144673732 is a wasteful number, since it uses less digits than its factorization.

8144673732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195653 (or 195648 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 8144673732 is about 90247.8461349632. The cubic root of 8144673732 is about 2011.9841904909.

The spelling of 8144673732 in words is "eight billion, one hundred forty-four million, six hundred seventy-three thousand, seven hundred thirty-two".