1742939 has 4 divisors (see below), whose sum is σ = 1901400. Its totient is φ = 1584480.

The previous prime is 1742903. The next prime is 1742941. The reversal of 1742939 is 9392471.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1742939 - 2¹² = 1738843 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1742899 and 1742908.

It is not an unprimeable number, because it can be changed into a prime (1742969) 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 3 ways as a sum of consecutive naturals, for example, 79214 + ... + 79235.

It is an arithmetic number, because the mean of its divisors is an integer number (475350).

2^1742939 is an apocalyptic number.

1742939 is a deficient number, since it is larger than the sum of its proper divisors (158461).

1742939 is a wasteful number, since it uses less digits than its factorization.

1742939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158460.

The product of its digits is 13608, while the sum is 35.

The square root of 1742939 is about 1320.2041508797. The cubic root of 1742939 is about 120.3448184050.

It can be divided in two parts, 174 and 2939, that added together give a palindrome (3113).

The spelling of 1742939 in words is "one million, seven hundred forty-two thousand, nine hundred thirty-nine".