727472168 has 16 divisors (see below), whose sum is σ = 1367124000. Its totient is φ = 362905776.

The previous prime is 727472147. The next prime is 727472173. The reversal of 727472168 is 861274727.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100058 + ... + 107081.

It is an arithmetic number, because the mean of its divisors is an integer number (85445250).

Almost surely, 2^727472168 is an apocalyptic number.

It is an amenable number.

727472168 is a deficient number, since it is larger than the sum of its proper divisors (639651832).

727472168 is a wasteful number, since it uses less digits than its factorization.

727472168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207584 (or 207580 counting only the distinct ones).

The product of its digits is 263424, while the sum is 44.

The square root of 727472168 is about 26971.6919751060. The cubic root of 727472168 is about 899.3708228051.

The spelling of 727472168 in words is "seven hundred twenty-seven million, four hundred seventy-two thousand, one hundred sixty-eight".