8573040 has 240 divisors, whose sum is σ = 34774560. Its totient is φ = 1959552.

The previous prime is 8573027. The next prime is 8573041. The reversal of 8573040 is 403758.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 8572995 and 8573013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8573041) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1224717 + ... + 1224723.

It is an arithmetic number, because the mean of its divisors is an integer number (144894).

Almost surely, 2^8573040 is an apocalyptic number.

8573040 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 8573040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17387280).

8573040 is an abundant number, since it is smaller than the sum of its proper divisors (26201520).

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

8573040 is an equidigital number, since it uses as much as digits as its factorization.

8573040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 8573040 is about 2927.9754097328. The cubic root of 8573040 is about 204.6656457253.

Adding to 8573040 its reverse (403758), we get a palindrome (8976798).

The spelling of 8573040 in words is "eight million, five hundred seventy-three thousand, forty".