6669073 has 4 divisors (see below), whose sum is σ = 6674800. Its totient is φ = 6663348.

The previous prime is 6669071. The next prime is 6669097. The reversal of 6669073 is 3709666.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3709666 = 2 ⋅1854833.

It is a cyclic number.

It is not a de Polignac number, because 6669073 - 2¹ = 6669071 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6669071) 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, 423 + ... + 3676.

It is an arithmetic number, because the mean of its divisors is an integer number (1668700).

Almost surely, 2^6669073 is an apocalyptic number.

It is an amenable number.

6669073 is a deficient number, since it is larger than the sum of its proper divisors (5727).

6669073 is a wasteful number, since it uses less digits than its factorization.

6669073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5726.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 6669073 is about 2582.4548398762. The cubic root of 6669073 is about 188.2298475159.

The spelling of 6669073 in words is "six million, six hundred sixty-nine thousand, seventy-three".