32720797 has 2 divisors, whose sum is σ = 32720798. Its totient is φ = 32720796.

The previous prime is 32720791. The next prime is 32720803. The reversal of 32720797 is 79702723.

It is a balanced prime because it is at equal distance from previous prime (32720791) and next prime (32720803).

It can be written as a sum of positive squares in only one way, i.e., 17189316 + 15531481 = 4146^2 + 3941^2 .

It is an emirp because it is prime and its reverse (79702723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32720797 - 2¹⁹ = 32196509 is a prime.

It is a super-3 number, since 3×32720797³ (a number of 24 digits) contains 333 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32720791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16360398 + 16360399.

It is an arithmetic number, because the mean of its divisors is an integer number (16360399).

Almost surely, 2^32720797 is an apocalyptic number.

It is an amenable number.

32720797 is a deficient number, since it is larger than the sum of its proper divisors (1).

32720797 is an equidigital number, since it uses as much as digits as its factorization.

32720797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 37044, while the sum is 37.

The square root of 32720797 is about 5720.2095241346. The cubic root of 32720797 is about 319.8462705606.

The spelling of 32720797 in words is "thirty-two million, seven hundred twenty thousand, seven hundred ninety-seven".