79147441 has 4 divisors (see below), whose sum is σ = 79963492. Its totient is φ = 78331392.

The previous prime is 79147429. The next prime is 79147457. The reversal of 79147441 is 14474197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14474197 = 1321 ⋅10957.

It can be written as a sum of positive squares in 2 ways, for example, as 48011041 + 31136400 = 6929^2 + 5580^2 .

It is a cyclic number.

It is not a de Polignac number, because 79147441 - 2²¹ = 77050289 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 79147441.

It is not an unprimeable number, because it can be changed into a prime (79147241) 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, 407880 + ... + 408073.

It is an arithmetic number, because the mean of its divisors is an integer number (19990873).

Almost surely, 2^79147441 is an apocalyptic number.

It is an amenable number.

79147441 is a deficient number, since it is larger than the sum of its proper divisors (816051).

79147441 is an equidigital number, since it uses as much as digits as its factorization.

79147441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816050.

The product of its digits is 28224, while the sum is 37.

The square root of 79147441 is about 8896.4847552278. The cubic root of 79147441 is about 429.3508159656.

The spelling of 79147441 in words is "seventy-nine million, one hundred forty-seven thousand, four hundred forty-one".