673061644 has 6 divisors (see below), whose sum is σ = 1177857884. Its totient is φ = 336530820.

The previous prime is 673061639. The next prime is 673061651. The reversal of 673061644 is 446160376.

It is a super-3 number, since 3×673061644³ (a number of 27 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 84132702 + ... + 84132709.

Almost surely, 2^673061644 is an apocalyptic number.

It is an amenable number.

673061644 is a deficient number, since it is larger than the sum of its proper divisors (504796240).

673061644 is a wasteful number, since it uses less digits than its factorization.

673061644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168265415 (or 168265413 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 37.

The square root of 673061644 is about 25943.4316157289. The cubic root of 673061644 is about 876.3648442375.

The spelling of 673061644 in words is "six hundred seventy-three million, sixty-one thousand, six hundred forty-four".