72650041 has 2 divisors, whose sum is σ = 72650042. Its totient is φ = 72650040.

The previous prime is 72650003. The next prime is 72650051. The reversal of 72650041 is 14005627.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54331641 + 18318400 = 7371^2 + 4280^2 .

It is a cyclic number.

It is not a de Polignac number, because 72650041 - 2¹⁷ = 72518969 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 72649988 and 72650015.

It is not a weakly prime, because it can be changed into another prime (72650051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36325020 + 36325021.

It is an arithmetic number, because the mean of its divisors is an integer number (36325021).

Almost surely, 2^72650041 is an apocalyptic number.

It is an amenable number.

72650041 is a deficient number, since it is larger than the sum of its proper divisors (1).

72650041 is an equidigital number, since it uses as much as digits as its factorization.

72650041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 72650041 is about 8523.4993400598. The cubic root of 72650041 is about 417.2649968888.

Adding to 72650041 its reverse (14005627), we get a palindrome (86655668).

The spelling of 72650041 in words is "seventy-two million, six hundred fifty thousand, forty-one".