673487360 has 320 divisors, whose sum is σ = 2062368000. Its totient is φ = 209534976.

The previous prime is 673487359. The next prime is 673487363. The reversal of 673487360 is 63784376.

It is a tau number, because it is divible by the number of its divisors (320).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673487363) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11415011 + ... + 11415069.

It is an arithmetic number, because the mean of its divisors is an integer number (6444900).

Almost surely, 2^673487360 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673487360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031184000).

673487360 is an abundant number, since it is smaller than the sum of its proper divisors (1388880640).

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

673487360 is an equidigital number, since it uses as much as digits as its factorization.

673487360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The square root of 673487360 is about 25951.6350159292. The cubic root of 673487360 is about 876.5495741742.

The spelling of 673487360 in words is "six hundred seventy-three million, four hundred eighty-seven thousand, three hundred sixty".