79321841 has 4 divisors (see below), whose sum is σ = 79474032. Its totient is φ = 79169652.

The previous prime is 79321829. The next prime is 79321843. The reversal of 79321841 is 14812397.

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: 14812397 = 827 ⋅17911.

It is a cyclic number.

It is not a de Polignac number, because 79321841 - 2¹⁰ = 79320817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79321843) 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, 75311 + ... + 76356.

It is an arithmetic number, because the mean of its divisors is an integer number (19868508).

Almost surely, 2^79321841 is an apocalyptic number.

It is an amenable number.

79321841 is a deficient number, since it is larger than the sum of its proper divisors (152191).

79321841 is a wasteful number, since it uses less digits than its factorization.

79321841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 152190.

The product of its digits is 12096, while the sum is 35.

The square root of 79321841 is about 8906.2809859110. The cubic root of 79321841 is about 429.6659402895.

The spelling of 79321841 in words is "seventy-nine million, three hundred twenty-one thousand, eight hundred forty-one".