1742945 has 8 divisors (see below), whose sum is σ = 2099520. Its totient is φ = 1389040.

The previous prime is 1742941. The next prime is 1742947. The reversal of 1742945 is 5492471.

It is a happy number.

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

It is not a de Polignac number, because 1742945 - 2² = 1742941 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1742941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310 + ... + 2280.

It is an arithmetic number, because the mean of its divisors is an integer number (262440).

2^1742945 is an apocalyptic number.

It is an amenable number.

1742945 is a deficient number, since it is larger than the sum of its proper divisors (356575).

1742945 is an equidigital number, since it uses as much as digits as its factorization.

1742945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1335.

The product of its digits is 10080, while the sum is 32.

The square root of 1742945 is about 1320.2064232536. The cubic root of 1742945 is about 120.3449564990.

The spelling of 1742945 in words is "one million, seven hundred forty-two thousand, nine hundred forty-five".