32709493 has 2 divisors, whose sum is σ = 32709494. Its totient is φ = 32709492.

The previous prime is 32709491. The next prime is 32709497. The reversal of 32709493 is 39490723.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32058244 + 651249 = 5662^2 + 807^2 .

It is an emirp because it is prime and its reverse (39490723) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32709493 - 2¹ = 32709491 is a prime.

Together with 32709491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32709491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16354746 + 16354747.

It is an arithmetic number, because the mean of its divisors is an integer number (16354747).

Almost surely, 2^32709493 is an apocalyptic number.

It is an amenable number.

32709493 is a deficient number, since it is larger than the sum of its proper divisors (1).

32709493 is an equidigital number, since it uses as much as digits as its factorization.

32709493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40824, while the sum is 37.

The square root of 32709493 is about 5719.2213630878. The cubic root of 32709493 is about 319.8094340630.

The spelling of 32709493 in words is "thirty-two million, seven hundred nine thousand, four hundred ninety-three".