73728841 has 2 divisors, whose sum is σ = 73728842. Its totient is φ = 73728840.

The previous prime is 73728839. The next prime is 73728857. The reversal of 73728841 is 14882737.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73599241 + 129600 = 8579^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 73728841 - 2¹ = 73728839 is a prime.

Together with 73728839, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 73728794 and 73728803.

It is not a weakly prime, because it can be changed into another prime (73720841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36864420 + 36864421.

It is an arithmetic number, because the mean of its divisors is an integer number (36864421).

Almost surely, 2^73728841 is an apocalyptic number.

It is an amenable number.

73728841 is a deficient number, since it is larger than the sum of its proper divisors (1).

73728841 is an equidigital number, since it uses as much as digits as its factorization.

73728841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 75264, while the sum is 40.

The square root of 73728841 is about 8586.5500056775. The cubic root of 73728841 is about 419.3202174275.

The spelling of 73728841 in words is "seventy-three million, seven hundred twenty-eight thousand, eight hundred forty-one".