8748640 has 24 divisors (see below), whose sum is σ = 20669040. Its totient is φ = 3499392.

The previous prime is 8748601. The next prime is 8748643. The reversal of 8748640 is 468478.

It is a self number, because there is not a number n which added to its sum of digits gives 8748640.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8748643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27180 + ... + 27499.

It is an arithmetic number, because the mean of its divisors is an integer number (861210).

Almost surely, 2^8748640 is an apocalyptic number.

8748640 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8748640 is an abundant number, since it is smaller than the sum of its proper divisors (11920400).

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

8748640 is a wasteful number, since it uses less digits than its factorization.

8748640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54694 (or 54686 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 37.

The square root of 8748640 is about 2957.8100006593. The cubic root of 8748640 is about 206.0535883458.

The spelling of 8748640 in words is "eight million, seven hundred forty-eight thousand, six hundred forty".