1720470027 has 8 divisors (see below), whose sum is σ = 2294752320. Its totient is φ = 1146583880.

The previous prime is 1720469999. The next prime is 1720470043. The reversal of 1720470027 is 7200740271.

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 1720470027 - 2¹¹ = 1720467979 is a prime.

It is a super-2 number, since 2×1720470027² = 5920034227610761458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1720469976 and 1720470003.

It is not an unprimeable number, because it can be changed into a prime (1720470727) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 88749 + ... + 106382.

It is an arithmetic number, because the mean of its divisors is an integer number (286844040).

Almost surely, 2^1720470027 is an apocalyptic number.

1720470027 is a deficient number, since it is larger than the sum of its proper divisors (574282293).

1720470027 is a wasteful number, since it uses less digits than its factorization.

1720470027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 198073.

The product of its (nonzero) digits is 5488, while the sum is 30.

The square root of 1720470027 is about 41478.5489982473. The cubic root of 1720470027 is about 1198.2544126965.

The spelling of 1720470027 in words is "one billion, seven hundred twenty million, four hundred seventy thousand, twenty-seven".