6666701 has 8 divisors (see below), whose sum is σ = 7123680. Its totient is φ = 6220368.

The previous prime is 6666689. The next prime is 6666719. The reversal of 6666701 is 1076666.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6666701 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6666761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1346 + ... + 3891.

It is an arithmetic number, because the mean of its divisors is an integer number (890460).

Almost surely, 2^6666701 is an apocalyptic number.

It is an amenable number.

6666701 is a deficient number, since it is larger than the sum of its proper divisors (456979).

6666701 is a wasteful number, since it uses less digits than its factorization.

6666701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5323.

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6666701 is about 2581.9955460845. The cubic root of 6666701 is about 188.2075288647.

It can be divided in two parts, 6 and 666701, that multiplied together give a triangular number (4000206 = T₂₈₂₈).

The spelling of 6666701 in words is "six million, six hundred sixty-six thousand, seven hundred one".