79042449 has 8 divisors (see below), whose sum is σ = 106037152. Its totient is φ = 52371360.

The previous prime is 79042427. The next prime is 79042463. The reversal of 79042449 is 94424097.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79042449 - 2⁷ = 79042321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79042349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80332 + ... + 81309.

It is an arithmetic number, because the mean of its divisors is an integer number (13254644).

Almost surely, 2^79042449 is an apocalyptic number.

It is an amenable number.

79042449 is a deficient number, since it is larger than the sum of its proper divisors (26994703).

79042449 is a wasteful number, since it uses less digits than its factorization.

79042449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161807.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 79042449 is about 8890.5820394393. The cubic root of 79042449 is about 429.1608820577.

The spelling of 79042449 in words is "seventy-nine million, forty-two thousand, four hundred forty-nine".