73506077 has 2 divisors, whose sum is σ = 73506078. Its totient is φ = 73506076.

The previous prime is 73506067. The next prime is 73506089. The reversal of 73506077 is 77060537.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67798756 + 5707321 = 8234^2 + 2389^2 .

It is an emirp because it is prime and its reverse (77060537) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73506077 - 2⁴ = 73506061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73506007) 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, 36753038 + 36753039.

It is an arithmetic number, because the mean of its divisors is an integer number (36753039).

Almost surely, 2^73506077 is an apocalyptic number.

It is an amenable number.

73506077 is a deficient number, since it is larger than the sum of its proper divisors (1).

73506077 is an equidigital number, since it uses as much as digits as its factorization.

73506077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30870, while the sum is 35.

The square root of 73506077 is about 8573.5685102529. The cubic root of 73506077 is about 418.8974806283.

The spelling of 73506077 in words is "seventy-three million, five hundred six thousand, seventy-seven".