79449707 has 4 divisors (see below), whose sum is σ = 79976016. Its totient is φ = 78923400.

The previous prime is 79449679. The next prime is 79449737. The reversal of 79449707 is 70794497.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70794497 = 4373 ⋅16189.

It is a cyclic number.

It is not a de Polignac number, because 79449707 - 2¹⁶ = 79384171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79449737) 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, 262928 + ... + 263229.

It is an arithmetic number, because the mean of its divisors is an integer number (19994004).

Almost surely, 2^79449707 is an apocalyptic number.

79449707 is a deficient number, since it is larger than the sum of its proper divisors (526309).

79449707 is a wasteful number, since it uses less digits than its factorization.

79449707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526308.

The product of its (nonzero) digits is 444528, while the sum is 47.

The square root of 79449707 is about 8913.4565124872. The cubic root of 79449707 is about 429.8966887194.

The spelling of 79449707 in words is "seventy-nine million, four hundred forty-nine thousand, seven hundred seven".