7252820 has 24 divisors (see below), whose sum is σ = 15894144. Its totient is φ = 2774816.

The previous prime is 7252807. The next prime is 7252837. The reversal of 7252820 is 282527.

It is a self number, because there is not a number n which added to its sum of digits gives 7252820.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7424 + ... + 8343.

It is an arithmetic number, because the mean of its divisors is an integer number (662256).

Almost surely, 2^7252820 is an apocalyptic number.

It is an amenable number.

7252820 is an abundant number, since it is smaller than the sum of its proper divisors (8641324).

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

7252820 is a wasteful number, since it uses less digits than its factorization.

7252820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15799 (or 15797 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 26.

The square root of 7252820 is about 2693.1060135093. The cubic root of 7252820 is about 193.5689227374.

The spelling of 7252820 in words is "seven million, two hundred fifty-two thousand, eight hundred twenty".