673197240 has 256 divisors, whose sum is σ = 2202808320. Its totient is φ = 164229120.

The previous prime is 673197199. The next prime is 673197247. The reversal of 673197240 is 42791376.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673197247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9221844 + ... + 9221916.

It is an arithmetic number, because the mean of its divisors is an integer number (8604720).

Almost surely, 2^673197240 is an apocalyptic number.

673197240 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 673197240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1101404160).

673197240 is an abundant number, since it is smaller than the sum of its proper divisors (1529611080).

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

673197240 is a wasteful number, since it uses less digits than its factorization.

673197240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222 (or 218 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 673197240 is about 25946.0447852847. The cubic root of 673197240 is about 876.4236915409.

The spelling of 673197240 in words is "six hundred seventy-three million, one hundred ninety-seven thousand, two hundred forty".