79406144 has 28 divisors (see below), whose sum is σ = 161835084. Its totient is φ = 38628864.

The previous prime is 79406141. The next prime is 79406161. The reversal of 79406144 is 44160497.

It can be written as a sum of positive squares in 2 ways, for example, as 67240000 + 12166144 = 8200^2 + 3488^2 .

It is not an unprimeable number, because it can be changed into a prime (79406141) 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 3 ways as a sum of consecutive naturals, for example, 14399 + ... + 19134.

Almost surely, 2^79406144 is an apocalyptic number.

79406144 is a gapful number since it is divisible by the number (74) formed by its first and last digit.

It is an amenable number.

79406144 is an abundant number, since it is smaller than the sum of its proper divisors (82428940).

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

79406144 is a wasteful number, since it uses less digits than its factorization.

79406144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33582 (or 33572 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 79406144 is about 8911.0125126161. The cubic root of 79406144 is about 429.8181022608.

The spelling of 79406144 in words is "seventy-nine million, four hundred six thousand, one hundred forty-four".