6665079 has 8 divisors (see below), whose sum is σ = 8965872. Its totient is φ = 4403840.

The previous prime is 6665077. The next prime is 6665081. The reversal of 6665079 is 9705666.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (6665077) and next prime (6665081).

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 6665079 - 2¹ = 6665077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6665077) 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, 9492 + ... + 10169.

It is an arithmetic number, because the mean of its divisors is an integer number (1120734).

Almost surely, 2^6665079 is an apocalyptic number.

6665079 is a deficient number, since it is larger than the sum of its proper divisors (2300793).

6665079 is a wasteful number, since it uses less digits than its factorization.

6665079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19777.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 6665079 is about 2581.6814288366. The cubic root of 6665079 is about 188.1922640747.

The spelling of 6665079 in words is "six million, six hundred sixty-five thousand, seventy-nine".