6752666 has 4 divisors (see below), whose sum is σ = 10129002. Its totient is φ = 3376332.

The previous prime is 6752623. The next prime is 6752747. The reversal of 6752666 is 6662576.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 3530641 + 3222025 = 1879^2 + 1795^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1688165 + ... + 1688168.

Almost surely, 2^6752666 is an apocalyptic number.

6752666 is a deficient number, since it is larger than the sum of its proper divisors (3376336).

6752666 is a wasteful number, since it uses less digits than its factorization.

6752666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3376335.

The product of its digits is 90720, while the sum is 38.

The square root of 6752666 is about 2598.5892326414. The cubic root of 6752666 is about 189.0130353168.

The spelling of 6752666 in words is "six million, seven hundred fifty-two thousand, six hundred sixty-six".