1740945 has 16 divisors (see below), whose sum is σ = 2802240. Its totient is φ = 922944.

The previous prime is 1740943. The next prime is 1740971. The reversal of 1740945 is 5490471.

It is a happy number.

It is not a de Polignac number, because 1740945 - 2¹ = 1740943 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1740943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3946 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (175140).

2^1740945 is an apocalyptic number.

1740945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1740945 is a deficient number, since it is larger than the sum of its proper divisors (1061295).

1740945 is a wasteful number, since it uses less digits than its factorization.

1740945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 1740945 is about 1319.4487485310. The cubic root of 1740945 is about 120.2989076116.

The spelling of 1740945 in words is "one million, seven hundred forty thousand, nine hundred forty-five".