673396452 has 36 divisors (see below), whose sum is σ = 1802327436. Its totient is φ = 211261440.

The previous prime is 673396439. The next prime is 673396453. The reversal of 673396452 is 254693376.

It can be written as a sum of positive squares in 2 ways, for example, as 351337536 + 322058916 = 18744^2 + 17946^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 673396398 and 673396407.

It is not an unprimeable number, because it can be changed into a prime (673396453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 549549 + ... + 550772.

It is an arithmetic number, because the mean of its divisors is an integer number (50064651).

Almost surely, 2^673396452 is an apocalyptic number.

It is an amenable number.

673396452 is an abundant number, since it is smaller than the sum of its proper divisors (1128930984).

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

673396452 is a wasteful number, since it uses less digits than its factorization.

673396452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100348 (or 1100343 counting only the distinct ones).

The product of its digits is 816480, while the sum is 45.

The square root of 673396452 is about 25949.8834679464. The cubic root of 673396452 is about 876.5101332190.

The spelling of 673396452 in words is "six hundred seventy-three million, three hundred ninety-six thousand, four hundred fifty-two".