32720771 has 2 divisors, whose sum is σ = 32720772. Its totient is φ = 32720770.

The previous prime is 32720759. The next prime is 32720777. The reversal of 32720771 is 17702723.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32720771 - 2¹⁴ = 32704387 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (32720777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16360385 + 16360386.

It is an arithmetic number, because the mean of its divisors is an integer number (16360386).

Almost surely, 2^32720771 is an apocalyptic number.

32720771 is a deficient number, since it is larger than the sum of its proper divisors (1).

32720771 is an equidigital number, since it uses as much as digits as its factorization.

32720771 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4116, while the sum is 29.

The square root of 32720771 is about 5720.2072514901. The cubic root of 32720771 is about 319.8461858437.

The spelling of 32720771 in words is "thirty-two million, seven hundred twenty thousand, seven hundred seventy-one".