79068440 has 64 divisors (see below), whose sum is σ = 196888320. Its totient is φ = 28336000.

The previous prime is 79068419. The next prime is 79068449. The reversal of 79068440 is 4486097.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 79068394 and 79068403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79068449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29975 + ... + 32505.

It is an arithmetic number, because the mean of its divisors is an integer number (3076380).

Almost surely, 2^79068440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79068440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98444160).

79068440 is an abundant number, since it is smaller than the sum of its proper divisors (117819880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

79068440 is a wasteful number, since it uses less digits than its factorization.

79068440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2624 (or 2620 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 79068440 is about 8892.0436346208. The cubic root of 79068440 is about 429.2079162706.

The spelling of 79068440 in words is "seventy-nine million, sixty-eight thousand, four hundred forty".