32749993 has 2 divisors, whose sum is σ = 32749994. Its totient is φ = 32749992.

The previous prime is 32749963. The next prime is 32750009. The reversal of 32749993 is 39994723.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21641104 + 11108889 = 4652^2 + 3333^2 .

It is a cyclic number.

It is not a de Polignac number, because 32749993 - 2⁹ = 32749481 is a prime.

It is not a weakly prime, because it can be changed into another prime (32749963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16374996 + 16374997.

It is an arithmetic number, because the mean of its divisors is an integer number (16374997).

Almost surely, 2^32749993 is an apocalyptic number.

It is an amenable number.

32749993 is a deficient number, since it is larger than the sum of its proper divisors (1).

32749993 is an equidigital number, since it uses as much as digits as its factorization.

32749993 is an evil number, because the sum of its binary digits is even.

The product of its digits is 367416, while the sum is 46.

The square root of 32749993 is about 5722.7609595369. The cubic root of 32749993 is about 319.9413727231.

The spelling of 32749993 in words is "thirty-two million, seven hundred forty-nine thousand, nine hundred ninety-three".