73648727 has 2 divisors, whose sum is σ = 73648728. Its totient is φ = 73648726.

The previous prime is 73648721. The next prime is 73648741. The reversal of 73648727 is 72784637.

It is a weak prime.

It is an emirp because it is prime and its reverse (72784637) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 73648727 - 2¹⁴ = 73632343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73648721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36824363 + 36824364.

It is an arithmetic number, because the mean of its divisors is an integer number (36824364).

Almost surely, 2^73648727 is an apocalyptic number.

73648727 is a deficient number, since it is larger than the sum of its proper divisors (1).

73648727 is an equidigital number, since it uses as much as digits as its factorization.

73648727 is an evil number, because the sum of its binary digits is even.

The product of its digits is 395136, while the sum is 44.

The square root of 73648727 is about 8581.8836510407. The cubic root of 73648727 is about 419.1682841435.

The spelling of 73648727 in words is "seventy-three million, six hundred forty-eight thousand, seven hundred twenty-seven".