741991 has 2 divisors, whose sum is σ = 741992. Its totient is φ = 741990.

The previous prime is 741973. The next prime is 742009. The reversal of 741991 is 199147.

It is a balanced prime because it is at equal distance from previous prime (741973) and next prime (742009).

It is a cyclic number.

It is not a de Polignac number, because 741991 - 2⁹ = 741479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (741941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 370995 + 370996.

It is an arithmetic number, because the mean of its divisors is an integer number (370996).

2⁷⁴¹⁹⁹¹ is an apocalyptic number.

741991 is a deficient number, since it is larger than the sum of its proper divisors (1).

741991 is an equidigital number, since it uses as much as digits as its factorization.

741991 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 741991 is about 861.3889945896. The cubic root of 741991 is about 90.5314644925.

The spelling of 741991 in words is "seven hundred forty-one thousand, nine hundred ninety-one".