1743742 has 48 divisors (see below), whose sum is σ = 3583872. Its totient is φ = 617760.

The previous prime is 1743739. The next prime is 1743761. The reversal of 1743742 is 2473471.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a nialpdrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 1743742.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25993 + ... + 26059.

It is an arithmetic number, because the mean of its divisors is an integer number (74664).

2^1743742 is an apocalyptic number.

1743742 is an abundant number, since it is smaller than the sum of its proper divisors (1840130).

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

1743742 is a wasteful number, since it uses less digits than its factorization.

1743742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113 (or 100 counting only the distinct ones).

The product of its digits is 4704, while the sum is 28.

The square root of 1743742 is about 1320.5082354912. The cubic root of 1743742 is about 120.3632971646.

It can be divided in two parts, 1743 and 742, that added together give a triangular number (2485 = T₇₀).

The spelling of 1743742 in words is "one million, seven hundred forty-three thousand, seven hundred forty-two".