783272173 has 2 divisors, whose sum is σ = 783272174. Its totient is φ = 783272172.

The previous prime is 783272101. The next prime is 783272209. The reversal of 783272173 is 371272387.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 783272169 + 4 = 27987^2 + 2^2 .

It is a cyclic number.

It is not a de Polignac number, because 783272173 - 2²⁵ = 749717741 is a prime.

It is a super-2 number, since 2×783272173² = 1227030593992283858, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (783275173) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391636086 + 391636087.

It is an arithmetic number, because the mean of its divisors is an integer number (391636087).

Almost surely, 2^783272173 is an apocalyptic number.

It is an amenable number.

783272173 is a deficient number, since it is larger than the sum of its proper divisors (1).

783272173 is an equidigital number, since it uses as much as digits as its factorization.

783272173 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 98784, while the sum is 40.

The square root of 783272173 is about 27987.0000714618. Note that the first 4 decimals coincide. The cubic root of 783272173 is about 921.8018299302.

The spelling of 783272173 in words is "seven hundred eighty-three million, two hundred seventy-two thousand, one hundred seventy-three".