79854720 has 256 divisors, whose sum is σ = 293760000. Its totient is φ = 18247680.

The previous prime is 79854713. The next prime is 79854793. The reversal of 79854720 is 2745897.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 401181 + ... + 401379.

It is an arithmetic number, because the mean of its divisors is an integer number (1147500).

Almost surely, 2^79854720 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 79854720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (146880000).

79854720 is an abundant number, since it is smaller than the sum of its proper divisors (213905280).

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

79854720 is a wasteful number, since it uses less digits than its factorization.

79854720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 239 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 42.

The square root of 79854720 is about 8936.1468206381. The cubic root of 79854720 is about 430.6259497312.

The spelling of 79854720 in words is "seventy-nine million, eight hundred fifty-four thousand, seven hundred twenty".