6706557 has 48 divisors (see below), whose sum is σ = 11863488. Its totient is φ = 3732480.

The previous prime is 6706549. The next prime is 6706573. The reversal of 6706557 is 7556076.

It is not a de Polignac number, because 6706557 - 2³ = 6706549 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6706537) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 34653 + ... + 34845.

It is an arithmetic number, because the mean of its divisors is an integer number (247156).

Almost surely, 2^6706557 is an apocalyptic number.

It is an amenable number.

6706557 is a deficient number, since it is larger than the sum of its proper divisors (5156931).

6706557 is a wasteful number, since it uses less digits than its factorization.

6706557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232 (or 220 counting only the distinct ones).

The product of its (nonzero) digits is 44100, while the sum is 36.

The square root of 6706557 is about 2589.7021064207. The cubic root of 6706557 is about 188.5818419574.

It can be divided in two parts, 670 and 6557, that added together give a palindrome (7227).

The spelling of 6706557 in words is "six million, seven hundred six thousand, five hundred fifty-seven".