6740625 has 24 divisors (see below), whose sum is σ = 11249280. Its totient is φ = 3590000.

The previous prime is 6740597. The next prime is 6740647. The reversal of 6740625 is 5260476.

It is not a de Polignac number, because 6740625 - 2⁸ = 6740369 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6740592 and 6740601.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9016 + ... + 9734.

It is an arithmetic number, because the mean of its divisors is an integer number (468720).

Almost surely, 2^6740625 is an apocalyptic number.

It is an amenable number.

6740625 is a deficient number, since it is larger than the sum of its proper divisors (4508655).

6740625 is an frugal number, since it uses more digits than its factorization.

6740625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 747 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 6740625 is about 2596.2713648615. The cubic root of 6740625 is about 188.9006224289.

The spelling of 6740625 in words is "six million, seven hundred forty thousand, six hundred twenty-five".