32672257 has 2 divisors, whose sum is σ = 32672258. Its totient is φ = 32672256.

The previous prime is 32672243. The next prime is 32672291. The reversal of 32672257 is 75227623.

It is an a-pointer prime, because the next prime (32672291) can be obtained adding 32672257 to its sum of digits (34).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 591361 = 5664^2 + 769^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-32672257 is a prime.

It is not a weakly prime, because it can be changed into another prime (32670257) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16336128 + 16336129.

It is an arithmetic number, because the mean of its divisors is an integer number (16336129).

Almost surely, 2^32672257 is an apocalyptic number.

It is an amenable number.

32672257 is a deficient number, since it is larger than the sum of its proper divisors (1).

32672257 is an equidigital number, since it uses as much as digits as its factorization.

32672257 is an evil number, because the sum of its binary digits is even.

The product of its digits is 35280, while the sum is 34.

The square root of 32672257 is about 5715.9650978641. The cubic root of 32672257 is about 319.6880325508.

The spelling of 32672257 in words is "thirty-two million, six hundred seventy-two thousand, two hundred fifty-seven".