727164140 has 12 divisors (see below), whose sum is σ = 1527044736. Its totient is φ = 290865648.

The previous prime is 727164133. The next prime is 727164149. The reversal of 727164140 is 41461727.

It is a junction number, because it is equal to n+sod(n) for n = 727164097 and 727164106.

It is not an unprimeable number, because it can be changed into a prime (727164149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18179084 + ... + 18179123.

It is an arithmetic number, because the mean of its divisors is an integer number (127253728).

Almost surely, 2^727164140 is an apocalyptic number.

It is an amenable number.

727164140 is an abundant number, since it is smaller than the sum of its proper divisors (799880596).

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

727164140 is a wasteful number, since it uses less digits than its factorization.

727164140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36358216 (or 36358214 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 32.

The square root of 727164140 is about 26965.9811614560. The cubic root of 727164140 is about 899.2438669720.

The spelling of 727164140 in words is "seven hundred twenty-seven million, one hundred sixty-four thousand, one hundred forty".