79826741 has 4 divisors (see below), whose sum is σ = 80920332. Its totient is φ = 78733152.

The previous prime is 79826737. The next prime is 79826743. The reversal of 79826741 is 14762897.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 56100100 + 23726641 = 7490^2 + 4871^2 .

It is a cyclic number.

It is not a de Polignac number, because 79826741 - 2² = 79826737 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79826692 and 79826701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79826743) 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, 546686 + ... + 546831.

It is an arithmetic number, because the mean of its divisors is an integer number (20230083).

Almost surely, 2^79826741 is an apocalyptic number.

It is an amenable number.

79826741 is a deficient number, since it is larger than the sum of its proper divisors (1093591).

79826741 is a wasteful number, since it uses less digits than its factorization.

79826741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1093590.

The product of its digits is 169344, while the sum is 44.

The square root of 79826741 is about 8934.5811877222. The cubic root of 79826741 is about 430.5756505091.

The spelling of 79826741 in words is "seventy-nine million, eight hundred twenty-six thousand, seven hundred forty-one".