673525420 has 24 divisors (see below), whose sum is σ = 1418690448. Its totient is φ = 268593600.

The previous prime is 673525367. The next prime is 673525421. The reversal of 673525420 is 24525376.

It is not an unprimeable number, because it can be changed into a prime (673525421) 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, 44251 + ... + 57490.

It is an arithmetic number, because the mean of its divisors is an integer number (59112102).

Almost surely, 2^673525420 is an apocalyptic number.

It is an amenable number.

673525420 is an abundant number, since it is smaller than the sum of its proper divisors (745165028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

673525420 is a wasteful number, since it uses less digits than its factorization.

673525420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102081 (or 102079 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 34.

The square root of 673525420 is about 25952.3682927011. The cubic root of 673525420 is about 876.5660856686.

The spelling of 673525420 in words is "six hundred seventy-three million, five hundred twenty-five thousand, four hundred twenty".