73648037 has 2 divisors, whose sum is σ = 73648038. Its totient is φ = 73648036.

The previous prime is 73648031. The next prime is 73648051. The reversal of 73648037 is 73084637.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72012196 + 1635841 = 8486^2 + 1279^2 .

It is an emirp because it is prime and its reverse (73084637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73648037 - 2¹⁴ = 73631653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73648031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36824018 + 36824019.

It is an arithmetic number, because the mean of its divisors is an integer number (36824019).

Almost surely, 2^73648037 is an apocalyptic number.

It is an amenable number.

73648037 is a deficient number, since it is larger than the sum of its proper divisors (1).

73648037 is an equidigital number, since it uses as much as digits as its factorization.

73648037 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 38.

The square root of 73648037 is about 8581.8434499821. The cubic root of 73648037 is about 419.1669751052.

The spelling of 73648037 in words is "seventy-three million, six hundred forty-eight thousand, thirty-seven".