79657241 has 4 divisors (see below), whose sum is σ = 79701300. Its totient is φ = 79613184.

The previous prime is 79657187. The next prime is 79657267. The reversal of 79657241 is 14275697.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 14275697 = 103 ⋅138599.

It can be written as a sum of positive squares in 2 ways, for example, as 63936016 + 15721225 = 7996^2 + 3965^2 .

It is a cyclic number.

It is not a de Polignac number, because 79657241 - 2¹⁴ = 79640857 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79657271) 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, 19196 + ... + 22973.

It is an arithmetic number, because the mean of its divisors is an integer number (19925325).

Almost surely, 2^79657241 is an apocalyptic number.

It is an amenable number.

79657241 is a deficient number, since it is larger than the sum of its proper divisors (44059).

79657241 is a wasteful number, since it uses less digits than its factorization.

79657241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44058.

The product of its digits is 105840, while the sum is 41.

The square root of 79657241 is about 8925.0905317537. The cubic root of 79657241 is about 430.2706804841.

The spelling of 79657241 in words is "seventy-nine million, six hundred fifty-seven thousand, two hundred forty-one".