756225 has 18 divisors (see below), whose sum is σ = 1354886. Its totient is φ = 403200.

The previous prime is 756199. The next prime is 756227. The reversal of 756225 is 522657.

It can be written as a sum of positive squares in 3 ways, for example, as 104976 + 651249 = 324^2 + 807^2 .

It is not a de Polignac number, because 756225 - 2⁷ = 756097 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (756227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1456 + ... + 1905.

2⁷⁵⁶²²⁵ is an apocalyptic number.

756225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

756225 is a deficient number, since it is larger than the sum of its proper divisors (598661).

756225 is a wasteful number, since it uses less digits than its factorization.

756225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3377 (or 3369 counting only the distinct ones).

The product of its digits is 4200, while the sum is 27.

The square root of 756225 is about 869.6119824381. The cubic root of 756225 is about 91.1067057270.

The spelling of 756225 in words is "seven hundred fifty-six thousand, two hundred twenty-five".