173363000728 has 32 divisors (see below), whose sum is σ = 327343770000. Its totient is φ = 86071708800.

The previous prime is 173363000719. The next prime is 173363000743. The reversal of 173363000728 is 827000363371.

It is a happy number.

It is a congruent number.

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, 3912763 + ... + 3956821.

Almost surely, 2^173363000728 is an apocalyptic number.

173363000728 is the 222559-th centered heptagonal number.

It is an amenable number.

173363000728 is a deficient number, since it is larger than the sum of its proper divisors (153980769272).

173363000728 is a wasteful number, since it uses less digits than its factorization.

173363000728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47515 (or 47511 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 40.

The spelling of 173363000728 in words is "one hundred seventy-three billion, three hundred sixty-three million, seven hundred twenty-eight", and thus it is an aban number.