1730465565 has 32 divisors (see below), whose sum is σ = 2921318400. Its totient is φ = 872285760.

The previous prime is 1730465531. The next prime is 1730465677. The reversal of 1730465565 is 5655640371.

It is not a de Polignac number, because 1730465565 - 2¹⁴ = 1730449181 is a prime.

It is a super-2 number, since 2×1730465565² = 5989022143301538450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 118200 + ... + 132030.

It is an arithmetic number, because the mean of its divisors is an integer number (91291200).

Almost surely, 2^1730465565 is an apocalyptic number.

1730465565 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1730465565 is a deficient number, since it is larger than the sum of its proper divisors (1190852835).

1730465565 is a wasteful number, since it uses less digits than its factorization.

1730465565 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14297.

The product of its (nonzero) digits is 378000, while the sum is 42.

The square root of 1730465565 is about 41598.8649484574. The cubic root of 1730465565 is about 1200.5704614074.

The spelling of 1730465565 in words is "one billion, seven hundred thirty million, four hundred sixty-five thousand, five hundred sixty-five".