1726772 has 6 divisors (see below), whose sum is σ = 3021858. Its totient is φ = 863384.

The previous prime is 1726759. The next prime is 1726787. The reversal of 1726772 is 2776271.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1628176 + 98596 = 1276^2 + 314^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 215843 + ... + 215850.

It is an arithmetic number, because the mean of its divisors is an integer number (503643).

2^1726772 is an apocalyptic number.

It is an amenable number.

1726772 is a deficient number, since it is larger than the sum of its proper divisors (1295086).

1726772 is a wasteful number, since it uses less digits than its factorization.

1726772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 431697 (or 431695 counting only the distinct ones).

The product of its digits is 8232, while the sum is 32.

The square root of 1726772 is about 1314.0669693741. The cubic root of 1726772 is about 119.9715673378.

The spelling of 1726772 in words is "one million, seven hundred twenty-six thousand, seven hundred seventy-two".