8737540 has 48 divisors (see below), whose sum is σ = 21168000. Its totient is φ = 2967552.

The previous prime is 8737529. The next prime is 8737543. The reversal of 8737540 is 457378.

It is a junction number, because it is equal to n+sod(n) for n = 8737496 and 8737505.

It is not an unprimeable number, because it can be changed into a prime (8737543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19236 + ... + 19684.

It is an arithmetic number, because the mean of its divisors is an integer number (441000).

Almost surely, 2^8737540 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8737540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10584000).

8737540 is an abundant number, since it is smaller than the sum of its proper divisors (12430460).

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

8737540 is a wasteful number, since it uses less digits than its factorization.

8737540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604 (or 602 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 8737540 is about 2955.9330168324. The cubic root of 8737540 is about 205.9664066879.

The spelling of 8737540 in words is "eight million, seven hundred thirty-seven thousand, five hundred forty".