1740725 has 30 divisors (see below), whose sum is σ = 2604930. Its totient is φ = 1152480.

The previous prime is 1740721. The next prime is 1740731. The reversal of 1740725 is 5270471.

It can be written as a sum of positive squares in 3 ways, for example, as 117649 + 1623076 = 343^2 + 1274^2 .

It is not a de Polignac number, because 1740725 - 2² = 1740721 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 1740694 and 1740703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1740721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 60011 + ... + 60039.

It is an arithmetic number, because the mean of its divisors is an integer number (86831).

2^1740725 is an apocalyptic number.

It is an amenable number.

1740725 is a deficient number, since it is larger than the sum of its proper divisors (864205).

1740725 is an frugal number, since it uses more digits than its factorization.

1740725 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67 (or 41 counting only the distinct ones).

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 1740725 is about 1319.3653777480. The cubic root of 1740725 is about 120.2938400813.

The spelling of 1740725 in words is "one million, seven hundred forty thousand, seven hundred twenty-five".