1725668 has 12 divisors (see below), whose sum is σ = 3451392. Its totient is φ = 739560.

The previous prime is 1725641. The next prime is 1725671. The reversal of 1725668 is 8665271.

1725668 is an admirable number.

It is an Ulam number.

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, 30788 + ... + 30843.

It is an arithmetic number, because the mean of its divisors is an integer number (287616).

2^1725668 is an apocalyptic number.

It is an amenable number.

1725668 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1725668 is a wasteful number, since it uses less digits than its factorization.

1725668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61642 (or 61640 counting only the distinct ones).

The product of its digits is 20160, while the sum is 35.

The square root of 1725668 is about 1313.6468322955. The cubic root of 1725668 is about 119.9459942170.

The spelling of 1725668 in words is "one million, seven hundred twenty-five thousand, six hundred sixty-eight".