6764225 has 18 divisors (see below), whose sum is σ = 9088146. Its totient is φ = 4992000.

The previous prime is 6764189. The next prime is 6764227. The reversal of 6764225 is 5224676.

It can be written as a sum of positive squares in 9 ways, for example, as 1893376 + 4870849 = 1376^2 + 2207^2 .

It is not a de Polignac number, because 6764225 - 2⁶ = 6764161 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6764191 and 6764200.

It is not an unprimeable number, because it can be changed into a prime (6764227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3425 + ... + 5025.

It is an arithmetic number, because the mean of its divisors is an integer number (504897).

Almost surely, 2^6764225 is an apocalyptic number.

6764225 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6764225 is a deficient number, since it is larger than the sum of its proper divisors (2323921).

6764225 is a wasteful number, since it uses less digits than its factorization.

6764225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1637 (or 1619 counting only the distinct ones).

The product of its digits is 20160, while the sum is 32.

The square root of 6764225 is about 2600.8123730865. The cubic root of 6764225 is about 189.1208226823.

It can be divided in two parts, 676 and 4225, that multiplied together give a square (2856100 = 1690²).

The spelling of 6764225 in words is "six million, seven hundred sixty-four thousand, two hundred twenty-five".