731860841 has 2 divisors, whose sum is σ = 731860842. Its totient is φ = 731860840.

The previous prime is 731860837. The next prime is 731860853. The reversal of 731860841 is 148068137.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 595555216 + 136305625 = 24404^2 + 11675^2 .

It is a cyclic number.

It is not a de Polignac number, because 731860841 - 2² = 731860837 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 731860795 and 731860804.

It is not a weakly prime, because it can be changed into another prime (731860861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365930420 + 365930421.

It is an arithmetic number, because the mean of its divisors is an integer number (365930421).

Almost surely, 2^731860841 is an apocalyptic number.

It is an amenable number.

731860841 is a deficient number, since it is larger than the sum of its proper divisors (1).

731860841 is an equidigital number, since it uses as much as digits as its factorization.

731860841 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 38.

The square root of 731860841 is about 27052.9266623780. The cubic root of 731860841 is about 901.1757641305.

The spelling of 731860841 in words is "seven hundred thirty-one million, eight hundred sixty thousand, eight hundred forty-one".