32473891 has 2 divisors, whose sum is σ = 32473892. Its totient is φ = 32473890.

The previous prime is 32473879. The next prime is 32473897. The reversal of 32473891 is 19837423.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 32473891 - 2⁹ = 32473379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 32473891.

It is not a weakly prime, because it can be changed into another prime (32473897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16236945 + 16236946.

It is an arithmetic number, because the mean of its divisors is an integer number (16236946).

Almost surely, 2^32473891 is an apocalyptic number.

32473891 is a deficient number, since it is larger than the sum of its proper divisors (1).

32473891 is an equidigital number, since it uses as much as digits as its factorization.

32473891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36288, while the sum is 37.

The square root of 32473891 is about 5698.5867546261. The cubic root of 32473891 is about 319.0397352258.

The spelling of 32473891 in words is "thirty-two million, four hundred seventy-three thousand, eight hundred ninety-one".