1745434 has 8 divisors (see below), whose sum is σ = 2623860. Its totient is φ = 870816.

The previous prime is 1745431. The next prime is 1745437. The reversal of 1745434 is 4345471.

It is an interprime number because it is at equal distance from previous prime (1745431) and next prime (1745437).

It can be written as a sum of positive squares in 2 ways, for example, as 1329409 + 416025 = 1153^2 + 645^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1745431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 982 + ... + 2110.

2^1745434 is an apocalyptic number.

1745434 is a deficient number, since it is larger than the sum of its proper divisors (878426).

1745434 is a wasteful number, since it uses less digits than its factorization.

1745434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904.

The product of its digits is 6720, while the sum is 28.

The square root of 1745434 is about 1321.1487425722. The cubic root of 1745434 is about 120.4022151666.

It can be divided in two parts, 17 and 45434, that added together give a triangular number (45451 = T₃₀₁).

The spelling of 1745434 in words is "one million, seven hundred forty-five thousand, four hundred thirty-four".