720165027 has 16 divisors (see below), whose sum is σ = 974144000. Its totient is φ = 473170464.

The previous prime is 720165011. The next prime is 720165053. The reversal of 720165027 is 720561027.

It is not a de Polignac number, because 720165027 - 2⁴ = 720165011 is a prime.

It is a super-2 number, since 2×720165027² = 1037275332227821458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 720164985 and 720165003.

It is not an unprimeable number, because it can be changed into a prime (720165097) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 144249 + ... + 149157.

It is an arithmetic number, because the mean of its divisors is an integer number (60884000).

Almost surely, 2^720165027 is an apocalyptic number.

720165027 is a deficient number, since it is larger than the sum of its proper divisors (253978973).

720165027 is a wasteful number, since it uses less digits than its factorization.

720165027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5610.

The product of its (nonzero) digits is 5880, while the sum is 30.

The square root of 720165027 is about 26835.8906503958. The cubic root of 720165027 is about 896.3494211897.

The spelling of 720165027 in words is "seven hundred twenty million, one hundred sixty-five thousand, twenty-seven".