673079364 has 18 divisors (see below), whose sum is σ = 1701395150. Its totient is φ = 224359776.

The previous prime is 673079279. The next prime is 673079369. The reversal of 673079364 is 463970376.

It can be written as a sum of positive squares in only one way, i.e., 378613764 + 294465600 = 19458^2 + 17160^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (673079369) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9348289 + ... + 9348360.

Almost surely, 2^673079364 is an apocalyptic number.

It is an amenable number.

673079364 is an abundant number, since it is smaller than the sum of its proper divisors (1028315786).

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

673079364 is a wasteful number, since it uses less digits than its factorization.

673079364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18696659 (or 18696654 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 45.

The square root of 673079364 is about 25943.7731257425. The cubic root of 673079364 is about 876.3725349887.

The spelling of 673079364 in words is "six hundred seventy-three million, seventy-nine thousand, three hundred sixty-four".