6788725 has 6 divisors (see below), whose sum is σ = 8418050. Its totient is φ = 5430960.

The previous prime is 6788699. The next prime is 6788731. The reversal of 6788725 is 5278876.

It is a happy number.

6788725 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1214404 + 5574321 = 1102^2 + 2361^2 .

It is not a de Polignac number, because 6788725 - 2¹⁹ = 6264437 is a prime.

6788725 is a lucky number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 135750 + ... + 135799.

Almost surely, 2^6788725 is an apocalyptic number.

It is an amenable number.

6788725 is a deficient number, since it is larger than the sum of its proper divisors (1629325).

6788725 is a wasteful number, since it uses less digits than its factorization.

6788725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271559 (or 271554 counting only the distinct ones).

The product of its digits is 188160, while the sum is 43.

The square root of 6788725 is about 2605.5181826270. The cubic root of 6788725 is about 189.3488792229.

The spelling of 6788725 in words is "six million, seven hundred eighty-eight thousand, seven hundred twenty-five".