7268530 has 8 divisors (see below), whose sum is σ = 13083372. Its totient is φ = 2907408.

The previous prime is 7268509. The next prime is 7268533. The reversal of 7268530 is 358627.

It can be written as a sum of positive squares in 2 ways, for example, as 6007401 + 1261129 = 2451^2 + 1123^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 7268492 and 7268501.

It is not an unprimeable number, because it can be changed into a prime (7268533) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 363417 + ... + 363436.

Almost surely, 2^7268530 is an apocalyptic number.

7268530 is a deficient number, since it is larger than the sum of its proper divisors (5814842).

7268530 is a wasteful number, since it uses less digits than its factorization.

7268530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726860.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 7268530 is about 2696.0211423503. The cubic root of 7268530 is about 193.7085821978.

Subtracting from 7268530 its reverse (358627), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 7268530 in words is "seven million, two hundred sixty-eight thousand, five hundred thirty".