73848521 has 2 divisors, whose sum is σ = 73848522. Its totient is φ = 73848520.

The previous prime is 73848517. The next prime is 73848553. The reversal of 73848521 is 12584837.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48497296 + 25351225 = 6964^2 + 5035^2 .

It is an emirp because it is prime and its reverse (12584837) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73848521 - 2² = 73848517 is a prime.

It is not a weakly prime, because it can be changed into another prime (73848571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36924260 + 36924261.

It is an arithmetic number, because the mean of its divisors is an integer number (36924261).

Almost surely, 2^73848521 is an apocalyptic number.

It is an amenable number.

73848521 is a deficient number, since it is larger than the sum of its proper divisors (1).

73848521 is an equidigital number, since it uses as much as digits as its factorization.

73848521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53760, while the sum is 38.

The square root of 73848521 is about 8593.5162186383. The cubic root of 73848521 is about 419.5469813082.

The spelling of 73848521 in words is "seventy-three million, eight hundred forty-eight thousand, five hundred twenty-one".