79360249 has 4 divisors (see below), whose sum is σ = 79771636. Its totient is φ = 78948864.

The previous prime is 79360219. The next prime is 79360289. The reversal of 79360249 is 94206397.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 94206397 = 41 ⋅2297717.

It can be written as a sum of positive squares in 2 ways, for example, as 18020025 + 61340224 = 4245^2 + 7832^2 .

It is a cyclic number.

It is not a de Polignac number, because 79360249 - 2⁷ = 79360121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79360219) 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, 205404 + ... + 205789.

It is an arithmetic number, because the mean of its divisors is an integer number (19942909).

Almost surely, 2^79360249 is an apocalyptic number.

It is an amenable number.

79360249 is a deficient number, since it is larger than the sum of its proper divisors (411387).

79360249 is a wasteful number, since it uses less digits than its factorization.

79360249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 411386.

The product of its (nonzero) digits is 81648, while the sum is 40.

The square root of 79360249 is about 8908.4369560546. The cubic root of 79360249 is about 429.7352778406.

The spelling of 79360249 in words is "seventy-nine million, three hundred sixty thousand, two hundred forty-nine".