32730442 has 8 divisors (see below), whose sum is σ = 49307076. Its totient is φ = 16294752.

The previous prime is 32730437. The next prime is 32730443. The reversal of 32730442 is 24403723.

It can be written as a sum of positive squares in 2 ways, for example, as 32615521 + 114921 = 5711^2 + 339^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (32730443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34653 + ... + 35584.

Almost surely, 2^32730442 is an apocalyptic number.

32730442 is a deficient number, since it is larger than the sum of its proper divisors (16576634).

32730442 is a wasteful number, since it uses less digits than its factorization.

32730442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70472.

The product of its (nonzero) digits is 4032, while the sum is 25.

The square root of 32730442 is about 5721.0525255411. The cubic root of 32730442 is about 319.8776941454.

The spelling of 32730442 in words is "thirty-two million, seven hundred thirty thousand, four hundred forty-two".