916290073 has 2 divisors, whose sum is σ = 916290074. Its totient is φ = 916290072.

The previous prime is 916290049. The next prime is 916290083. The reversal of 916290073 is 370092619.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 542563849 + 373726224 = 23293^2 + 19332^2 .

It is a cyclic number.

It is not a de Polignac number, because 916290073 - 2¹³ = 916281881 is a prime.

It is not a weakly prime, because it can be changed into another prime (916290083) 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 as a sum of consecutive naturals, namely, 458145036 + 458145037.

It is an arithmetic number, because the mean of its divisors is an integer number (458145037).

Almost surely, 2^916290073 is an apocalyptic number.

It is an amenable number.

916290073 is a deficient number, since it is larger than the sum of its proper divisors (1).

916290073 is an equidigital number, since it uses as much as digits as its factorization.

916290073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20412, while the sum is 37.

The square root of 916290073 is about 30270.2836623643. The cubic root of 916290073 is about 971.2797339928.

It can be divided in two parts, 9162 and 90073, that added together give a triangular number (99235 = T₄₄₅).

The spelling of 916290073 in words is "nine hundred sixteen million, two hundred ninety thousand, seventy-three".