673121560 has 32 divisors (see below), whose sum is σ = 1540198800. Its totient is φ = 264684160.

The previous prime is 673121557. The next prime is 673121567. The reversal of 673121560 is 65121376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673121567) 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, 140251 + ... + 144970.

Almost surely, 2^673121560 is an apocalyptic number.

It is an amenable number.

673121560 is an abundant number, since it is smaller than the sum of its proper divisors (867077240).

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

673121560 is a wasteful number, since it uses less digits than its factorization.

673121560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285291 (or 285287 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 673121560 is about 25944.5863331833. The cubic root of 673121560 is about 876.3908481548.

The spelling of 673121560 in words is "six hundred seventy-three million, one hundred twenty-one thousand, five hundred sixty".