32718961 has 4 divisors (see below), whose sum is σ = 35693424. Its totient is φ = 29744500.

The previous prime is 32718947. The next prime is 32718979. The reversal of 32718961 is 16981723.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16981723 = 11 ⋅1543793.

It is a cyclic number.

It is not a de Polignac number, because 32718961 - 2⁹ = 32718449 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 32718961.

It is not an unprimeable number, because it can be changed into a prime (32718991) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1487215 + ... + 1487236.

It is an arithmetic number, because the mean of its divisors is an integer number (8923356).

Almost surely, 2^32718961 is an apocalyptic number.

It is an amenable number.

32718961 is a deficient number, since it is larger than the sum of its proper divisors (2974463).

32718961 is a wasteful number, since it uses less digits than its factorization.

32718961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2974462.

The product of its digits is 18144, while the sum is 37.

The square root of 32718961 is about 5720.0490382513. The cubic root of 32718961 is about 319.8402881397.

The spelling of 32718961 in words is "thirty-two million, seven hundred eighteen thousand, nine hundred sixty-one".