830749973 has 2 divisors, whose sum is σ = 830749974. Its totient is φ = 830749972.

The previous prime is 830749967. The next prime is 830750029. The reversal of 830749973 is 379947038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 796199089 + 34550884 = 28217^2 + 5878^2 .

It is a cyclic number.

It is not a de Polignac number, because 830749973 - 2²⁸ = 562314517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (830749373) 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 as a sum of consecutive naturals, namely, 415374986 + 415374987.

It is an arithmetic number, because the mean of its divisors is an integer number (415374987).

Almost surely, 2^830749973 is an apocalyptic number.

It is an amenable number.

830749973 is a deficient number, since it is larger than the sum of its proper divisors (1).

830749973 is an equidigital number, since it uses as much as digits as its factorization.

830749973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1143072, while the sum is 50.

The square root of 830749973 is about 28822.7336142844. The cubic root of 830749973 is about 940.0626082488.

The spelling of 830749973 in words is "eight hundred thirty million, seven hundred forty-nine thousand, nine hundred seventy-three".