673359660 has 72 divisors (see below), whose sum is σ = 2068422720. Its totient is φ = 177285888.

The previous prime is 673359653. The next prime is 673359679. The reversal of 673359660 is 66953376.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9457 + ... + 37896.

Almost surely, 2^673359660 is an apocalyptic number.

673359660 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673359660 is an abundant number, since it is smaller than the sum of its proper divisors (1395063060).

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

673359660 is a wasteful number, since it uses less digits than its factorization.

673359660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47447 (or 47442 counting only the distinct ones).

The product of its (nonzero) digits is 612360, while the sum is 45.

The square root of 673359660 is about 25949.1745533456. The cubic root of 673359660 is about 876.4941697906.

The spelling of 673359660 in words is "six hundred seventy-three million, three hundred fifty-nine thousand, six hundred sixty".