731076961 has 2 divisors, whose sum is σ = 731076962. Its totient is φ = 731076960.

The previous prime is 731076949. The next prime is 731077019. The reversal of 731076961 is 169670137.

It is a happy number.

731076961 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 554319936 + 176757025 = 23544^2 + 13295^2 .

It is a cyclic number.

It is not a de Polignac number, because 731076961 - 2⁷ = 731076833 is a prime.

It is not a weakly prime, because it can be changed into another prime (731076901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 365538480 + 365538481.

It is an arithmetic number, because the mean of its divisors is an integer number (365538481).

Almost surely, 2^731076961 is an apocalyptic number.

It is an amenable number.

731076961 is a deficient number, since it is larger than the sum of its proper divisors (1).

731076961 is an equidigital number, since it uses as much as digits as its factorization.

731076961 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 731076961 is about 27038.4348844381. The cubic root of 731076961 is about 900.8539060319.

The spelling of 731076961 in words is "seven hundred thirty-one million, seventy-six thousand, nine hundred sixty-one".