32741721 has 12 divisors (see below), whose sum is σ = 47960640. Its totient is φ = 21519960.

The previous prime is 32741717. The next prime is 32741729. The reversal of 32741721 is 12714723.

It is a happy number.

It is not a de Polignac number, because 32741721 - 2² = 32741717 is a prime.

It is not an unprimeable number, because it can be changed into a prime (32741729) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24981 + ... + 26258.

It is an arithmetic number, because the mean of its divisors is an integer number (3996720).

Almost surely, 2^32741721 is an apocalyptic number.

It is an amenable number.

32741721 is a deficient number, since it is larger than the sum of its proper divisors (15218919).

32741721 is a wasteful number, since it uses less digits than its factorization.

32741721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51316 (or 51313 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 32741721 is about 5722.0381858216. The cubic root of 32741721 is about 319.9144335022.

The spelling of 32741721 in words is "thirty-two million, seven hundred forty-one thousand, seven hundred twenty-one".