73071673 has 2 divisors, whose sum is σ = 73071674. Its totient is φ = 73071672.

The previous prime is 73071671. The next prime is 73071689. The reversal of 73071673 is 37617037.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 41126569 + 31945104 = 6413^2 + 5652^2 .

It is an emirp because it is prime and its reverse (37617037) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73071673 - 2¹ = 73071671 is a prime.

Together with 73071671, it forms a pair of twin primes.

It is equal to p_4288039 and since 73071673 and 4288039 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (73071671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36535836 + 36535837.

It is an arithmetic number, because the mean of its divisors is an integer number (36535837).

Almost surely, 2^73071673 is an apocalyptic number.

It is an amenable number.

73071673 is a deficient number, since it is larger than the sum of its proper divisors (1).

73071673 is an equidigital number, since it uses as much as digits as its factorization.

73071673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18522, while the sum is 34.

The square root of 73071673 is about 8548.1970613691. The cubic root of 73071673 is about 418.0706537925.

The spelling of 73071673 in words is "seventy-three million, seventy-one thousand, six hundred seventy-three".