720016727 has 8 divisors (see below), whose sum is σ = 745511040. Its totient is φ = 694566880.

The previous prime is 720016699. The next prime is 720016763. The reversal of 720016727 is 727610027.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 720016727 - 2⁶ = 720016663 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720016693 and 720016702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (720016777) 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 7 ways as a sum of consecutive naturals, for example, 23738 + ... + 44760.

It is an arithmetic number, because the mean of its divisors is an integer number (93188880).

Almost surely, 2^720016727 is an apocalyptic number.

720016727 is a deficient number, since it is larger than the sum of its proper divisors (25494313).

720016727 is a wasteful number, since it uses less digits than its factorization.

720016727 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22233.

The product of its (nonzero) digits is 8232, while the sum is 32.

The square root of 720016727 is about 26833.1274174294. The cubic root of 720016727 is about 896.2878900408.

The spelling of 720016727 in words is "seven hundred twenty million, sixteen thousand, seven hundred twenty-seven".