7252320 has 96 divisors (see below), whose sum is σ = 23677920. Its totient is φ = 1863680.

The previous prime is 7252303. The next prime is 7252327. The reversal of 7252320 is 232527.

It is a tau number, because it is divible by the number of its divisors (96).

It is a super-2 number, since 2×7252320² = 105192290764800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7252327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13660 + ... + 14180.

It is an arithmetic number, because the mean of its divisors is an integer number (246645).

Almost surely, 2^7252320 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 7252320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11838960).

7252320 is an abundant number, since it is smaller than the sum of its proper divisors (16425600).

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

7252320 is a wasteful number, since it uses less digits than its factorization.

7252320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 568 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 21.

The square root of 7252320 is about 2693.0131822923. The cubic root of 7252320 is about 193.5644745051.

Adding to 7252320 its reverse (232527), we get a palindrome (7484847).

The spelling of 7252320 in words is "seven million, two hundred fifty-two thousand, three hundred twenty".