6677545 has 8 divisors (see below), whose sum is σ = 9157824. Its totient is φ = 4578864.

The previous prime is 6677543. The next prime is 6677579. The reversal of 6677545 is 5457766.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6677545 - 2¹ = 6677543 is a prime.

It is an Ulam number.

It is a Duffinian number.

6677545 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6677498 and 6677507.

It is not an unprimeable number, because it can be changed into a prime (6677543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95359 + ... + 95428.

It is an arithmetic number, because the mean of its divisors is an integer number (1144728).

Almost surely, 2^6677545 is an apocalyptic number.

It is an amenable number.

6677545 is a deficient number, since it is larger than the sum of its proper divisors (2480279).

6677545 is a wasteful number, since it uses less digits than its factorization.

6677545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190799.

The product of its digits is 176400, while the sum is 40.

The square root of 6677545 is about 2584.0946190107. The cubic root of 6677545 is about 188.3095191824.

The spelling of 6677545 in words is "six million, six hundred seventy-seven thousand, five hundred forty-five".