7288530 has 32 divisors (see below), whose sum is σ = 17639424. Its totient is φ = 1927296.

The previous prime is 7288517. The next prime is 7288531. The reversal of 7288530 is 358827.

It is a junction number, because it is equal to n+sod(n) for n = 7288491 and 7288500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7288531) 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, 2854 + ... + 4766.

It is an arithmetic number, because the mean of its divisors is an integer number (551232).

Almost surely, 2^7288530 is an apocalyptic number.

7288530 is an abundant number, since it is smaller than the sum of its proper divisors (10350894).

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

7288530 is a wasteful number, since it uses less digits than its factorization.

7288530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 7288530 is about 2699.7277640533. The cubic root of 7288530 is about 193.8860882268.

The spelling of 7288530 in words is "seven million, two hundred eighty-eight thousand, five hundred thirty".