741850721 has 2 divisors, whose sum is σ = 741850722. Its totient is φ = 741850720.

The previous prime is 741850693. The next prime is 741850727. The reversal of 741850721 is 127058147.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736851025 + 4999696 = 27145^2 + 2236^2 .

It is a cyclic number.

It is not a de Polignac number, because 741850721 - 2⁶ = 741850657 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between odd and even.

It is not a weakly prime, because it can be changed into another prime (741850727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370925360 + 370925361.

It is an arithmetic number, because the mean of its divisors is an integer number (370925361).

Almost surely, 2^741850721 is an apocalyptic number.

It is an amenable number.

741850721 is a deficient number, since it is larger than the sum of its proper divisors (1).

741850721 is an equidigital number, since it uses as much as digits as its factorization.

741850721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 741850721 is about 27236.9367036750. The cubic root of 741850721 is about 905.2575891403.

The spelling of 741850721 in words is "seven hundred forty-one million, eight hundred fifty thousand, seven hundred twenty-one".