673340672 has 18 divisors (see below), whose sum is σ = 1344051618. Its totient is φ = 336670208.

The previous prime is 673340669. The next prime is 673340711. The reversal of 673340672 is 276043376.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 650454016 + 22886656 = 25504^2 + 4784^2 .

It is a super-3 number, since 3×673340672³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1314863 + ... + 1315374.

Almost surely, 2^673340672 is an apocalyptic number.

It is an amenable number.

673340672 is a deficient number, since it is larger than the sum of its proper divisors (670710946).

673340672 is an equidigital number, since it uses as much as digits as its factorization.

673340672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2630253 (or 2630239 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 38.

The square root of 673340672 is about 25948.8086817102. The cubic root of 673340672 is about 876.4859309901.

The spelling of 673340672 in words is "six hundred seventy-three million, three hundred forty thousand, six hundred seventy-two".