19672441 has 2 divisors, whose sum is σ = 19672442. Its totient is φ = 19672440.

The previous prime is 19672403. The next prime is 19672459. The reversal of 19672441 is 14427691.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 9174841 = 3240^2 + 3029^2 .

It is a cyclic number.

It is not a de Polignac number, because 19672441 - 2⁹ = 19671929 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 19672397 and 19672406.

It is not a weakly prime, because it can be changed into another prime (19672481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9836220 + 9836221.

It is an arithmetic number, because the mean of its divisors is an integer number (9836221).

Almost surely, 2^19672441 is an apocalyptic number.

It is an amenable number.

19672441 is a deficient number, since it is larger than the sum of its proper divisors (1).

19672441 is an equidigital number, since it uses as much as digits as its factorization.

19672441 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 34.

The square root of 19672441 is about 4435.3625556430. The cubic root of 19672441 is about 269.9517106141.

The spelling of 19672441 in words is "nineteen million, six hundred seventy-two thousand, four hundred forty-one".