673427473 has 8 divisors (see below), whose sum is σ = 701738280. Its totient is φ = 645456000.

The previous prime is 673427467. The next prime is 673427483. The reversal of 673427473 is 374724376.

It can be written as a sum of positive squares in 4 ways, for example, as 253669329 + 419758144 = 15927^2 + 20488^2 .

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 673427473 - 2⁵ = 673427441 is a prime.

It is a super-2 number, since 2×673427473² = 907009122782331458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673427413) 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, 80778 + ... + 88723.

It is an arithmetic number, because the mean of its divisors is an integer number (87717285).

Almost surely, 2^673427473 is an apocalyptic number.

It is an amenable number.

673427473 is a deficient number, since it is larger than the sum of its proper divisors (28310807).

673427473 is a wasteful number, since it uses less digits than its factorization.

673427473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169667.

The product of its digits is 592704, while the sum is 43.

The square root of 673427473 is about 25950.4811708762. The cubic root of 673427473 is about 876.5235922561.

The spelling of 673427473 in words is "six hundred seventy-three million, four hundred twenty-seven thousand, four hundred seventy-three".