1072206673 has 4 divisors (see below), whose sum is σ = 1072820068. Its totient is φ = 1071593280.

The previous prime is 1072206671. The next prime is 1072206679. The reversal of 1072206673 is 3766022701.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 347897104 + 724309569 = 18652^2 + 26913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1072206673 - 2¹ = 1072206671 is a prime.

It is a super-2 number, since 2×1072206673² = 2299254299251457858, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1072206671) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 304068 + ... + 307573.

It is an arithmetic number, because the mean of its divisors is an integer number (268205017).

Almost surely, 2^1072206673 is an apocalyptic number.

It is an amenable number.

1072206673 is a deficient number, since it is larger than the sum of its proper divisors (613395).

1072206673 is an equidigital number, since it uses as much as digits as its factorization.

1072206673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613394.

The product of its (nonzero) digits is 21168, while the sum is 34.

The square root of 1072206673 is about 32744.5670760815. The cubic root of 1072206673 is about 1023.5117558816.

The spelling of 1072206673 in words is "one billion, seventy-two million, two hundred six thousand, six hundred seventy-three".