8731749040 has 120 divisors (see below), whose sum is σ = 23702848992. Its totient is φ = 2982712320.

The previous prime is 8731749011. The next prime is 8731749043. The reversal of 8731749040 is 409471378.

It is not an unprimeable number, because it can be changed into a prime (8731749043) 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, 1097557 + ... + 1105483.

Almost surely, 2^8731749040 is an apocalyptic number.

8731749040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8731749040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11851424496).

8731749040 is an abundant number, since it is smaller than the sum of its proper divisors (14971099952).

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

8731749040 is a wasteful number, since it uses less digits than its factorization.

8731749040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8235 (or 8222 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 8731749040 is about 93443.8282606187. The cubic root of 8731749040 is about 2059.2089399880.

The spelling of 8731749040 in words is "eight billion, seven hundred thirty-one million, seven hundred forty-nine thousand, forty".