673065520 has 40 divisors (see below), whose sum is σ = 1607178384. Its totient is φ = 261948672.

The previous prime is 673065493. The next prime is 673065527. The reversal of 673065520 is 25560376.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (673065527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110734 + ... + 116653.

Almost surely, 2^673065520 is an apocalyptic number.

It is an amenable number.

673065520 is an abundant number, since it is smaller than the sum of its proper divisors (934112864).

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

673065520 is a wasteful number, since it uses less digits than its factorization.

673065520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227437 (or 227431 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 34.

The square root of 673065520 is about 25943.5063166103. The cubic root of 673065520 is about 876.3665264924.

The spelling of 673065520 in words is "six hundred seventy-three million, sixty-five thousand, five hundred twenty".