727087616 has 20 divisors (see below), whose sum is σ = 1452756162. Its totient is φ = 363543552.

The previous prime is 727087589. The next prime is 727087651. The reversal of 727087616 is 616780727.

It can be written as a sum of positive squares in only one way, i.e., 726841600 + 246016 = 26960^2 + 496^2 .

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 as a sum of consecutive naturals, namely, 709535 + ... + 710558.

Almost surely, 2^727087616 is an apocalyptic number.

It is an amenable number.

727087616 is a deficient number, since it is larger than the sum of its proper divisors (725668546).

727087616 is an equidigital number, since it uses as much as digits as its factorization.

727087616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1420111 (or 1420095 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 44.

The square root of 727087616 is about 26964.5622252615. The cubic root of 727087616 is about 899.2123215258.

The spelling of 727087616 in words is "seven hundred twenty-seven million, eighty-seven thousand, six hundred sixteen".