1742791 has 2 divisors, whose sum is σ = 1742792. Its totient is φ = 1742790.

The previous prime is 1742773. The next prime is 1742809. The reversal of 1742791 is 1972471.

It is a balanced prime because it is at equal distance from previous prime (1742773) and next prime (1742809).

It is an emirp because it is prime and its reverse (1972471) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1742791 - 2¹³ = 1734599 is a prime.

1742791 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1742701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 871395 + 871396.

It is an arithmetic number, because the mean of its divisors is an integer number (871396).

2^1742791 is an apocalyptic number.

1742791 is a deficient number, since it is larger than the sum of its proper divisors (1).

1742791 is an equidigital number, since it uses as much as digits as its factorization.

1742791 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3528, while the sum is 31.

The square root of 1742791 is about 1320.1480977527. The cubic root of 1742791 is about 120.3414119869.

The spelling of 1742791 in words is "one million, seven hundred forty-two thousand, seven hundred ninety-one".