32672681 has 2 divisors, whose sum is σ = 32672682. Its totient is φ = 32672680.

The previous prime is 32672669. The next prime is 32672699. The reversal of 32672681 is 18627623.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32672656 + 25 = 5716^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 32672681 - 2¹⁰ = 32671657 is a prime.

It is a super-2 number, since 2×32672681² = 2135008167455522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32675681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16336340 + 16336341.

It is an arithmetic number, because the mean of its divisors is an integer number (16336341).

Almost surely, 2^32672681 is an apocalyptic number.

It is an amenable number.

32672681 is a deficient number, since it is larger than the sum of its proper divisors (1).

32672681 is an equidigital number, since it uses as much as digits as its factorization.

32672681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24192, while the sum is 35.

The square root of 32672681 is about 5716.0021868435. The cubic root of 32672681 is about 319.6894154483.

The spelling of 32672681 in words is "thirty-two million, six hundred seventy-two thousand, six hundred eighty-one".