79040449 has 8 divisors (see below), whose sum is σ = 80525952. Its totient is φ = 77568960.

The previous prime is 79040441. The next prime is 79040453. The reversal of 79040449 is 94404097.

79040449 = T₁₁₈₇ + T₁₁₈₈ + ... + T₁₂₈₉.

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

It is a cyclic number.

It is not a de Polignac number, because 79040449 - 2³ = 79040441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (79040441) 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, 8244 + ... + 15034.

It is an arithmetic number, because the mean of its divisors is an integer number (10065744).

Almost surely, 2^79040449 is an apocalyptic number.

It is an amenable number.

79040449 is a deficient number, since it is larger than the sum of its proper divisors (1485503).

79040449 is a wasteful number, since it uses less digits than its factorization.

79040449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 79040449 is about 8890.4695601526. The cubic root of 79040449 is about 429.1572623613.

The spelling of 79040449 in words is "seventy-nine million, forty thousand, four hundred forty-nine".