1729342 has 16 divisors (see below), whose sum is σ = 2892240. Its totient is φ = 770688.

The previous prime is 1729333. The next prime is 1729363. The reversal of 1729342 is 2439271.

It is a d-powerful number, because it can be written as 1 + 7⁴ + 2⁹ + 9 + 3¹³ + 4⁵ + 2¹⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 1729342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 693 + ... + 1984.

It is an arithmetic number, because the mean of its divisors is an integer number (180765).

2^1729342 is an apocalyptic number.

1729342 is a deficient number, since it is larger than the sum of its proper divisors (1162898).

1729342 is a wasteful number, since it uses less digits than its factorization.

1729342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2715.

The product of its digits is 3024, while the sum is 28.

The square root of 1729342 is about 1315.0444859395. The cubic root of 1729342 is about 120.0310567764.

The spelling of 1729342 in words is "one million, seven hundred twenty-nine thousand, three hundred forty-two".