873612073 has 2 divisors, whose sum is σ = 873612074. Its totient is φ = 873612072.

The previous prime is 873612053. The next prime is 873612119. The reversal of 873612073 is 370216378.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861833449 + 11778624 = 29357^2 + 3432^2 .

It is a cyclic number.

It is not a de Polignac number, because 873612073 - 2⁵ = 873612041 is a prime.

It is not a weakly prime, because it can be changed into another prime (873612053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 436806036 + 436806037.

It is an arithmetic number, because the mean of its divisors is an integer number (436806037).

Almost surely, 2^873612073 is an apocalyptic number.

It is an amenable number.

873612073 is a deficient number, since it is larger than the sum of its proper divisors (1).

873612073 is an equidigital number, since it uses as much as digits as its factorization.

873612073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 873612073 is about 29556.9293567515. The cubic root of 873612073 is about 955.9596077920.

The spelling of 873612073 in words is "eight hundred seventy-three million, six hundred twelve thousand, seventy-three".