8473040 has 20 divisors (see below), whose sum is σ = 19700004. Its totient is φ = 3389184.

The previous prime is 8473027. The next prime is 8473043. The reversal of 8473040 is 403748.

It can be written as a sum of positive squares in 2 ways, for example, as 4096576 + 4376464 = 2024^2 + 2092^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a hoax number, since the sum of its digits (26) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8473043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52877 + ... + 53036.

Almost surely, 2^8473040 is an apocalyptic number.

8473040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8473040 is an abundant number, since it is smaller than the sum of its proper divisors (11226964).

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

8473040 is a wasteful number, since it uses less digits than its factorization.

8473040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105926 (or 105920 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 8473040 is about 2910.8486734971. The cubic root of 8473040 is about 203.8667590786.

Adding to 8473040 its reverse (403748), we get a palindrome (8876788).

The spelling of 8473040 in words is "eight million, four hundred seventy-three thousand, forty".