79727041 has 3 divisors (see below), whose sum is σ = 79735971. Its totient is φ = 79718112.

The previous prime is 79726987. The next prime is 79727051. The reversal of 79727041 is 14072797.

The square root of 79727041 is 8929.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14072797 = 857 ⋅16421.

It can be written as a sum of positive squares in only one way, i.e., 2989441 + 76737600 = 1729^2 + 8760^2 .

It is not a de Polignac number, because 79727041 - 2²¹ = 77629889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79727051) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 4465 + ... + 13393.

It is an arithmetic number, because the mean of its divisors is an integer number (26578657).

Almost surely, 2^79727041 is an apocalyptic number.

79727041 is the 8929-th square number.

79727041 is the 4465-th centered octagonal number.

It is an amenable number.

79727041 is a deficient number, since it is larger than the sum of its proper divisors (8930).

79727041 is an frugal number, since it uses more digits than its factorization.

79727041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17858 (or 8929 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 37.

The cubic root of 79727041 is about 430.3963193055.

The spelling of 79727041 in words is "seventy-nine million, seven hundred twenty-seven thousand, forty-one".