79481250 has 120 divisors (see below), whose sum is σ = 224024724. Its totient is φ = 21060000.

The previous prime is 79481249. The next prime is 79481251. The reversal of 79481250 is 5218497.

It is an interprime number because it is at equal distance from previous prime (79481249) and next prime (79481251).

It can be written as a sum of positive squares in 6 ways, for example, as 15752961 + 63728289 = 3969^2 + 7983^2 .

It is a super-3 number, since 3×79481250³ (a number of 25 digits) contains 333 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (79481251) 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 59 ways as a sum of consecutive naturals, for example, 506172 + ... + 506328.

Almost surely, 2^79481250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79481250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112012362).

79481250 is an abundant number, since it is smaller than the sum of its proper divisors (144543474).

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

79481250 is an equidigital number, since it uses as much as digits as its factorization.

79481250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 36.

The square root of 79481250 is about 8915.2257402715. The cubic root of 79481250 is about 429.9535734985.

The spelling of 79481250 in words is "seventy-nine million, four hundred eighty-one thousand, two hundred fifty".