1742434 has 8 divisors (see below), whose sum is σ = 2727360. Its totient is φ = 833316.

The previous prime is 1742423. The next prime is 1742443. The reversal of 1742434 is 4342471.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1742399 and 1742408.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18894 + ... + 18985.

It is an arithmetic number, because the mean of its divisors is an integer number (340920).

2^1742434 is an apocalyptic number.

1742434 is a deficient number, since it is larger than the sum of its proper divisors (984926).

1742434 is a wasteful number, since it uses less digits than its factorization.

1742434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37904.

The product of its digits is 2688, while the sum is 25.

The square root of 1742434 is about 1320.0128787251. The cubic root of 1742434 is about 120.3331943601. Note that the first 3 decimals are identical.

It can be divided in two parts, 17424 and 34, that multiplied together give a triangular number (592416 = T₁₀₈₈).

The spelling of 1742434 in words is "one million, seven hundred forty-two thousand, four hundred thirty-four".