79001892 has 60 divisors (see below), whose sum is σ = 208514460. Its totient is φ = 26080704.

The previous prime is 79001891. The next prime is 79001921. The reversal of 79001892 is 29810097.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 59074596 + 19927296 = 7686^2 + 4464^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (79001891) 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 19 ways as a sum of consecutive naturals, for example, 34198 + ... + 36434.

It is an arithmetic number, because the mean of its divisors is an integer number (3475241).

Almost surely, 2^79001892 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 79001892, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104257230).

79001892 is an abundant number, since it is smaller than the sum of its proper divisors (129512568).

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

79001892 is a wasteful number, since it uses less digits than its factorization.

79001892 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362 (or 2351 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 36.

The square root of 79001892 is about 8888.3008499938. The cubic root of 79001892 is about 429.0874681057.

The spelling of 79001892 in words is "seventy-nine million, one thousand, eight hundred ninety-two".