673327805 has 8 divisors (see below), whose sum is σ = 809764152. Its totient is φ = 537481728.

The previous prime is 673327799. The next prime is 673327807. The reversal of 673327805 is 508723376.

It can be written as a sum of positive squares in 4 ways, for example, as 64866916 + 608460889 = 8054^2 + 24667^2 .

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 673327805 - 2²⁶ = 606218941 is a prime.

It is a super-2 number, since 2×673327805² = 906740665972236050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673327807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 145052 + ... + 149621.

It is an arithmetic number, because the mean of its divisors is an integer number (101220519).

Almost surely, 2^673327805 is an apocalyptic number.

It is an amenable number.

673327805 is a deficient number, since it is larger than the sum of its proper divisors (136436347).

673327805 is a wasteful number, since it uses less digits than its factorization.

673327805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295135.

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 673327805 is about 25948.5607500686. The cubic root of 673327805 is about 876.4803479736.

The spelling of 673327805 in words is "six hundred seventy-three million, three hundred twenty-seven thousand, eight hundred five".