673427485 has 4 divisors (see below), whose sum is σ = 808112988. Its totient is φ = 538741984.

The previous prime is 673427483. The next prime is 673427497. The reversal of 673427485 is 584724376.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 91508356 + 581919129 = 9566^2 + 24123^2 .

It is a cyclic number.

It is not a de Polignac number, because 673427485 - 2¹ = 673427483 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673427483) 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, 67342744 + ... + 67342753.

It is an arithmetic number, because the mean of its divisors is an integer number (202028247).

Almost surely, 2^673427485 is an apocalyptic number.

It is an amenable number.

673427485 is a deficient number, since it is larger than the sum of its proper divisors (134685503).

673427485 is a wasteful number, since it uses less digits than its factorization.

673427485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134685502.

The product of its digits is 1128960, while the sum is 46.

The square root of 673427485 is about 25950.4814020858. The cubic root of 673427485 is about 876.5235974624.

The spelling of 673427485 in words is "six hundred seventy-three million, four hundred twenty-seven thousand, four hundred eighty-five".