673468020 has 60 divisors (see below), whose sum is σ = 2112699204. Its totient is φ = 179591040.

The previous prime is 673468007. The next prime is 673468031. The reversal of 673468020 is 20864376.

It can be written as a sum of positive squares in 2 ways, for example, as 85599504 + 587868516 = 9252^2 + 24246^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 206241 + ... + 209480.

Almost surely, 2^673468020 is an apocalyptic number.

673468020 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

673468020 is an abundant number, since it is smaller than the sum of its proper divisors (1439231184).

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

673468020 is a wasteful number, since it uses less digits than its factorization.

673468020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415742 (or 415731 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 673468020 is about 25951.2623970396. The cubic root of 673468020 is about 876.5411837019.

The spelling of 673468020 in words is "six hundred seventy-three million, four hundred sixty-eight thousand, twenty".