79641 has 6 divisors (see below), whose sum is σ = 115050. Its totient is φ = 53088.

The previous prime is 79633. The next prime is 79657. The reversal of 79641 is 14697.

It can be written as a sum of positive squares in only one way, i.e., 41616 + 38025 = 204^2 + 195^2 .

It is not a de Polignac number, because 79641 - 2³ = 79633 is a prime.

It is not an unprimeable number, because it can be changed into a prime (79601) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4416 + ... + 4433.

It is an arithmetic number, because the mean of its divisors is an integer number (19175).

2⁷⁹⁶⁴¹ is an apocalyptic number.

It is an amenable number.

79641 is a deficient number, since it is larger than the sum of its proper divisors (35409).

79641 is a wasteful number, since it uses less digits than its factorization.

79641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8855 (or 8852 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 79641 is about 282.2073705629. The cubic root of 79641 is about 43.0241436434.

The spelling of 79641 in words is "seventy-nine thousand, six hundred forty-one".