1742444 has 18 divisors (see below), whose sum is σ = 3343284. Its totient is φ = 788040.

The previous prime is 1742443. The next prime is 1742453. The reversal of 1742444 is 4442471.

It is a super-2 number, since 2×1742444² = 6072222186272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1742443) 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 in 5 ways as a sum of consecutive naturals, for example, 8657 + ... + 8855.

It is an arithmetic number, because the mean of its divisors is an integer number (185738).

2^1742444 is an apocalyptic number.

It is an amenable number.

1742444 is a deficient number, since it is larger than the sum of its proper divisors (1600840).

1742444 is a wasteful number, since it uses less digits than its factorization.

1742444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 212 counting only the distinct ones).

The product of its digits is 3584, while the sum is 26.

The square root of 1742444 is about 1320.0166665614. The cubic root of 1742444 is about 120.3334245610. Note that the first 3 decimals are identical.

The spelling of 1742444 in words is "one million, seven hundred forty-two thousand, four hundred forty-four".