73656841 has 2 divisors, whose sum is σ = 73656842. Its totient is φ = 73656840.

The previous prime is 73656827. The next prime is 73656871. The reversal of 73656841 is 14865637.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 73599241 + 57600 = 8579^2 + 240^2 .

It is a cyclic number.

It is not a de Polignac number, because 73656841 - 2⁹ = 73656329 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 73656794 and 73656803.

It is not a weakly prime, because it can be changed into another prime (73656871) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36828420 + 36828421.

It is an arithmetic number, because the mean of its divisors is an integer number (36828421).

Almost surely, 2^73656841 is an apocalyptic number.

It is an amenable number.

73656841 is a deficient number, since it is larger than the sum of its proper divisors (1).

73656841 is an equidigital number, since it uses as much as digits as its factorization.

73656841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 40.

The square root of 73656841 is about 8582.3563780584. The cubic root of 73656841 is about 419.1836770620.

The spelling of 73656841 in words is "seventy-three million, six hundred fifty-six thousand, eight hundred forty-one".