32730091 has 2 divisors, whose sum is σ = 32730092. Its totient is φ = 32730090.

The previous prime is 32730053. The next prime is 32730107. The reversal of 32730091 is 19003723.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32730091 - 2¹⁷ = 32599019 is a prime.

It is not a weakly prime, because it can be changed into another prime (32730011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16365045 + 16365046.

It is an arithmetic number, because the mean of its divisors is an integer number (16365046).

Almost surely, 2^32730091 is an apocalyptic number.

32730091 is a deficient number, since it is larger than the sum of its proper divisors (1).

32730091 is an equidigital number, since it uses as much as digits as its factorization.

32730091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1134, while the sum is 25.

The square root of 32730091 is about 5721.0218492853. The cubic root of 32730091 is about 319.8765506893.

The spelling of 32730091 in words is "thirty-two million, seven hundred thirty thousand, ninety-one".