673450556 has 12 divisors (see below), whose sum is σ = 1179504480. Its totient is φ = 336449280.

The previous prime is 673450523. The next prime is 673450559. The reversal of 673450556 is 655054376.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673450559) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63461 + ... + 73308.

It is an arithmetic number, because the mean of its divisors is an integer number (98292040).

Almost surely, 2^673450556 is an apocalyptic number.

It is an amenable number.

673450556 is a deficient number, since it is larger than the sum of its proper divisors (506053924).

673450556 is a wasteful number, since it uses less digits than its factorization.

673450556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138004 (or 138002 counting only the distinct ones).

The product of its (nonzero) digits is 378000, while the sum is 41.

The square root of 673450556 is about 25950.9259179706. The cubic root of 673450556 is about 876.5336069762.

The spelling of 673450556 in words is "six hundred seventy-three million, four hundred fifty thousand, five hundred fifty-six".