1729372 has 6 divisors (see below), whose sum is σ = 3026408. Its totient is φ = 864684.

The previous prime is 1729369. The next prime is 1729373. The reversal of 1729372 is 2739271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1729373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 216168 + ... + 216175.

2^1729372 is an apocalyptic number.

It is an amenable number.

1729372 is a deficient number, since it is larger than the sum of its proper divisors (1297036).

1729372 is a wasteful number, since it uses less digits than its factorization.

1729372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432347 (or 432345 counting only the distinct ones).

The product of its digits is 5292, while the sum is 31.

The square root of 1729372 is about 1315.0558923483. The cubic root of 1729372 is about 120.0317508575.

The spelling of 1729372 in words is "one million, seven hundred twenty-nine thousand, three hundred seventy-two".