32730157 has 2 divisors, whose sum is σ = 32730158. Its totient is φ = 32730156.

The previous prime is 32730133. The next prime is 32730199. The reversal of 32730157 is 75103723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20241001 + 12489156 = 4499^2 + 3534^2 .

It is an emirp because it is prime and its reverse (75103723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32730157 - 2¹¹ = 32728109 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32730107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16365078 + 16365079.

It is an arithmetic number, because the mean of its divisors is an integer number (16365079).

Almost surely, 2^32730157 is an apocalyptic number.

It is an amenable number.

32730157 is a deficient number, since it is larger than the sum of its proper divisors (1).

32730157 is an equidigital number, since it uses as much as digits as its factorization.

32730157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4410, while the sum is 28.

The square root of 32730157 is about 5721.0276174827. The cubic root of 32730157 is about 319.8767656987.

The spelling of 32730157 in words is "thirty-two million, seven hundred thirty thousand, one hundred fifty-seven".