673719056 has 20 divisors (see below), whose sum is σ = 1333105152. Its totient is φ = 329691936.

The previous prime is 673719049. The next prime is 673719083. The reversal of 673719056 is 650917376.

It is a super-2 number, since 2×673719056² = 907794732835062272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 673718998 and 673719016.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447200 + ... + 448703.

Almost surely, 2^673719056 is an apocalyptic number.

It is an amenable number.

673719056 is a deficient number, since it is larger than the sum of its proper divisors (659386096).

673719056 is a wasteful number, since it uses less digits than its factorization.

673719056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895958 (or 895952 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 44.

The square root of 673719056 is about 25956.0986282608. The cubic root of 673719056 is about 876.6500807598.

The spelling of 673719056 in words is "six hundred seventy-three million, seven hundred nineteen thousand, fifty-six".