1745217049 has 8 divisors (see below), whose sum is σ = 1788811200. Its totient is φ = 1701759696.

The previous prime is 1745217043. The next prime is 1745217053. The reversal of 1745217049 is 9407125471.

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 1745217049 - 2³ = 1745217041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1745217041) 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, 8122 + ... + 59635.

It is an arithmetic number, because the mean of its divisors is an integer number (223601400).

Almost surely, 2^1745217049 is an apocalyptic number.

It is an amenable number.

1745217049 is a deficient number, since it is larger than the sum of its proper divisors (43594151).

1745217049 is an equidigital number, since it uses as much as digits as its factorization.

1745217049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68399.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 1745217049 is about 41775.7950133807. The cubic root of 1745217049 is about 1203.9722644299.

The spelling of 1745217049 in words is "one billion, seven hundred forty-five million, two hundred seventeen thousand, forty-nine".