673156652 has 24 divisors (see below), whose sum is σ = 1364760096. Its totient is φ = 284542848.

The previous prime is 673156619. The next prime is 673156669. The reversal of 673156652 is 256651376.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 162623 + ... + 166710.

It is an arithmetic number, because the mean of its divisors is an integer number (56865004).

Almost surely, 2^673156652 is an apocalyptic number.

It is an amenable number.

673156652 is an abundant number, since it is smaller than the sum of its proper divisors (691603444).

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

673156652 is a wasteful number, since it uses less digits than its factorization.

673156652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329417 (or 329415 counting only the distinct ones).

The product of its digits is 226800, while the sum is 41.

The square root of 673156652 is about 25945.2626118912. The cubic root of 673156652 is about 876.4060775849.

The spelling of 673156652 in words is "six hundred seventy-three million, one hundred fifty-six thousand, six hundred fifty-two".