727638052 has 12 divisors (see below), whose sum is σ = 1273572720. Its totient is φ = 363760136.

The previous prime is 727638019. The next prime is 727638071. The reversal of 727638052 is 250836727.

It is a junction number, because it is equal to n+sod(n) for n = 727637996 and 727638014.

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, 24963 + ... + 45589.

It is an arithmetic number, because the mean of its divisors is an integer number (106131060).

Almost surely, 2^727638052 is an apocalyptic number.

It is an amenable number.

727638052 is a deficient number, since it is larger than the sum of its proper divisors (545934668).

727638052 is a wasteful number, since it uses less digits than its factorization.

727638052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29450 (or 29448 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 727638052 is about 26974.7669498737. The cubic root of 727638052 is about 899.4391781767.

The spelling of 727638052 in words is "seven hundred twenty-seven million, six hundred thirty-eight thousand, fifty-two".