32672291 has 2 divisors, whose sum is σ = 32672292. Its totient is φ = 32672290.

The previous prime is 32672257. The next prime is 32672329. The reversal of 32672291 is 19227623.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 32672291 - 2¹⁴ = 32655907 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (32678291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16336145 + 16336146.

It is an arithmetic number, because the mean of its divisors is an integer number (16336146).

Almost surely, 2^32672291 is an apocalyptic number.

32672291 is a deficient number, since it is larger than the sum of its proper divisors (1).

32672291 is an equidigital number, since it uses as much as digits as its factorization.

32672291 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 32672291 is about 5715.9680719892. The cubic root of 32672291 is about 319.6881434440.

The spelling of 32672291 in words is "thirty-two million, six hundred seventy-two thousand, two hundred ninety-one".