1724742 has 12 divisors (see below), whose sum is σ = 3736980. Its totient is φ = 574908.

The previous prime is 1724741. The next prime is 1724743. The reversal of 1724742 is 2474271.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1724741) and next prime (1724743).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1724741) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 47892 + ... + 47927.

It is an arithmetic number, because the mean of its divisors is an integer number (311415).

2^1724742 is an apocalyptic number.

1724742 is an abundant number, since it is smaller than the sum of its proper divisors (2012238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1724742 is a wasteful number, since it uses less digits than its factorization.

1724742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95827 (or 95824 counting only the distinct ones).

The product of its digits is 3136, while the sum is 27.

The square root of 1724742 is about 1313.2943310622. The cubic root of 1724742 is about 119.9245358863.

The spelling of 1724742 in words is "one million, seven hundred twenty-four thousand, seven hundred forty-two".