6657701 has 4 divisors (see below), whose sum is σ = 6783372. Its totient is φ = 6532032.

The previous prime is 6657697. The next prime is 6657709. The reversal of 6657701 is 1077566.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2356225 + 4301476 = 1535^2 + 2074^2 .

It is a cyclic number.

It is not a de Polignac number, because 6657701 - 2² = 6657697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6657709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62756 + ... + 62861.

It is an arithmetic number, because the mean of its divisors is an integer number (1695843).

Almost surely, 2^6657701 is an apocalyptic number.

It is an amenable number.

6657701 is a deficient number, since it is larger than the sum of its proper divisors (125671).

6657701 is a wasteful number, since it uses less digits than its factorization.

6657701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125670.

The product of its (nonzero) digits is 8820, while the sum is 32.

The square root of 6657701 is about 2580.2521194643. The cubic root of 6657701 is about 188.1227977726.

The spelling of 6657701 in words is "six million, six hundred fifty-seven thousand, seven hundred one".