1673342217 has 24 divisors (see below), whose sum is σ = 2551404960. Its totient is φ = 1056808728.

The previous prime is 1673342183. The next prime is 1673342233. The reversal of 1673342217 is 7122433761.

1673342217 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1673342217 - 2⁸ = 1673341961 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1673342417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48178 + ... + 75284.

It is an arithmetic number, because the mean of its divisors is an integer number (106308540).

Almost surely, 2^1673342217 is an apocalyptic number.

It is an amenable number.

1673342217 is a deficient number, since it is larger than the sum of its proper divisors (878062743).

1673342217 is an equidigital number, since it uses as much as digits as its factorization.

1673342217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27170 (or 27129 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 1673342217 is about 40906.5058028671. The cubic root of 1673342217 is about 1187.2119407960.

Adding to 1673342217 its reverse (7122433761), we get a palindrome (8795775978).

The spelling of 1673342217 in words is "one billion, six hundred seventy-three million, three hundred forty-two thousand, two hundred seventeen".