6405673 has 4 divisors (see below), whose sum is σ = 6467968. Its totient is φ = 6343380.

The previous prime is 6405653. The next prime is 6405701. The reversal of 6405673 is 3765046.

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.

It is a cyclic number.

It is not a de Polignac number, because 6405673 - 2¹⁷ = 6274601 is a prime.

It is a Duffinian number.

6405673 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6405643) 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, 30993 + ... + 31198.

It is an arithmetic number, because the mean of its divisors is an integer number (1616992).

Almost surely, 2^6405673 is an apocalyptic number.

It is an amenable number.

6405673 is a deficient number, since it is larger than the sum of its proper divisors (62295).

6405673 is a wasteful number, since it uses less digits than its factorization.

6405673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62294.

The product of its (nonzero) digits is 15120, while the sum is 31.

The square root of 6405673 is about 2530.9431048524. The cubic root of 6405673 is about 185.7183949218.

The spelling of 6405673 in words is "six million, four hundred five thousand, six hundred seventy-three".