7200556 has 24 divisors (see below), whose sum is σ = 14192640. Its totient is φ = 3166800.

The previous prime is 7200553. The next prime is 7200559. The reversal of 7200556 is 6550027.

It is a happy number.

7200556 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (7200553) and next prime (7200559).

It is a self number, because there is not a number n which added to its sum of digits gives 7200556.

It is not an unprimeable number, because it can be changed into a prime (7200551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276 + ... + 4003.

It is an arithmetic number, because the mean of its divisors is an integer number (591360).

Almost surely, 2^7200556 is an apocalyptic number.

It is an amenable number.

7200556 is a deficient number, since it is larger than the sum of its proper divisors (6992084).

7200556 is a wasteful number, since it uses less digits than its factorization.

7200556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5325 (or 5323 counting only the distinct ones).

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 7200556 is about 2683.3851754826. The cubic root of 7200556 is about 193.1028472756.

It can be divided in two parts, 720055 and 6, that multiplied together give a triangular number (4320330 = T₂₉₃₉).

The spelling of 7200556 in words is "seven million, two hundred thousand, five hundred fifty-six".