731682949 has 2 divisors, whose sum is σ = 731682950. Its totient is φ = 731682948.

The previous prime is 731682943. The next prime is 731682953. The reversal of 731682949 is 949286137.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 588402049 + 143280900 = 24257^2 + 11970^2 .

It is a cyclic number.

It is not a de Polignac number, because 731682949 - 2²¹ = 729585797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (731682943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365841474 + 365841475.

It is an arithmetic number, because the mean of its divisors is an integer number (365841475).

Almost surely, 2^731682949 is an apocalyptic number.

It is an amenable number.

731682949 is a deficient number, since it is larger than the sum of its proper divisors (1).

731682949 is an equidigital number, since it uses as much as digits as its factorization.

731682949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 49.

The square root of 731682949 is about 27049.6386112643. The cubic root of 731682949 is about 901.1027425301.

The spelling of 731682949 in words is "seven hundred thirty-one million, six hundred eighty-two thousand, nine hundred forty-nine".