673737020 has 48 divisors (see below), whose sum is σ = 1545264000. Its totient is φ = 244710720.

The previous prime is 673737011. The next prime is 673737023. The reversal of 673737020 is 20737376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673737023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 319931 + ... + 322029.

It is an arithmetic number, because the mean of its divisors is an integer number (32193000).

Almost surely, 2^673737020 is an apocalyptic number.

It is an amenable number.

673737020 is an abundant number, since it is smaller than the sum of its proper divisors (871526980).

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

673737020 is a wasteful number, since it uses less digits than its factorization.

673737020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3578 (or 3576 counting only the distinct ones).

The product of its (nonzero) digits is 37044, while the sum is 35.

The square root of 673737020 is about 25956.4446717959. Note that the first 3 decimals coincide. The cubic root of 673737020 is about 876.6578723370.

The spelling of 673737020 in words is "six hundred seventy-three million, seven hundred thirty-seven thousand, twenty".