1742742722 has 18 divisors (see below), whose sum is σ = 3041629497. Its totient is φ = 746712624.

The previous prime is 1742742721. The next prime is 1742742737. The reversal of 1742742722 is 2272472471.

It can be written as a sum of positive squares in 2 ways, for example, as 1419857761 + 322884961 = 37681^2 + 17969^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=29519.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1742742721) 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 in 8 ways as a sum of consecutive naturals, for example, 411158 + ... + 415374.

Almost surely, 2^1742742722 is an apocalyptic number.

1742742722 is a deficient number, since it is larger than the sum of its proper divisors (1298886775).

1742742722 is an frugal number, since it uses more digits than its factorization.

1742742722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8450 (or 4226 counting only the distinct ones).

The product of its digits is 87808, while the sum is 38.

The square root of 1742742722 is about 41746.1701476914. The cubic root of 1742742722 is about 1203.4030076232.

The spelling of 1742742722 in words is "one billion, seven hundred forty-two million, seven hundred forty-two thousand, seven hundred twenty-two".