7268040 has 96 divisors (see below), whose sum is σ = 25454520. Its totient is φ = 1787904.

The previous prime is 7268039. The next prime is 7268081. The reversal of 7268040 is 408627.

It can be written as a sum of positive squares in 4 ways, for example, as 2883204 + 4384836 = 1698^2 + 2094^2 .

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 7267995 and 7268013.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3904 + ... + 5456.

Almost surely, 2^7268040 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 7268040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12727260).

7268040 is an abundant number, since it is smaller than the sum of its proper divisors (18186480).

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

7268040 is a wasteful number, since it uses less digits than its factorization.

7268040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1576 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 7268040 is about 2695.9302661605. The cubic root of 7268040 is about 193.7042292159.

The spelling of 7268040 in words is "seven million, two hundred sixty-eight thousand, forty".