944694721 has 2 divisors, whose sum is σ = 944694722. Its totient is φ = 944694720.

The previous prime is 944694697. The next prime is 944694727. The reversal of 944694721 is 127496449.

944694721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 638269696 + 306425025 = 25264^2 + 17505^2 .

It is a cyclic number.

It is not a de Polignac number, because 944694721 - 2⁹ = 944694209 is a prime.

It is not a weakly prime, because it can be changed into another prime (944694727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 472347360 + 472347361.

It is an arithmetic number, because the mean of its divisors is an integer number (472347361).

Almost surely, 2^944694721 is an apocalyptic number.

It is an amenable number.

944694721 is a deficient number, since it is larger than the sum of its proper divisors (1).

944694721 is an equidigital number, since it uses as much as digits as its factorization.

944694721 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 435456, while the sum is 46.

The square root of 944694721 is about 30735.8865334970. The cubic root of 944694721 is about 981.2142110035.

The spelling of 944694721 in words is "nine hundred forty-four million, six hundred ninety-four thousand, seven hundred twenty-one".