79581376 has 56 divisors (see below), whose sum is σ = 185395616. Its totient is φ = 33177600.

The previous prime is 79581373. The next prime is 79581377. The reversal of 79581376 is 67318597.

It is a tau number, because it is divible by the number of its divisors (56).

It is a super-4 number, since 4×79581376⁴ (a number of 33 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (79581373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14176 + ... + 18976.

It is an arithmetic number, because the mean of its divisors is an integer number (3310636).

Almost surely, 2^79581376 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 79581376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92697808).

79581376 is an abundant number, since it is smaller than the sum of its proper divisors (105814240).

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

79581376 is a wasteful number, since it uses less digits than its factorization.

79581376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4857 (or 4847 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 79581376 is about 8920.8394223862. The cubic root of 79581376 is about 430.1340414999.

The spelling of 79581376 in words is "seventy-nine million, five hundred eighty-one thousand, three hundred seventy-six".