109434072 has 64 divisors (see below), whose sum is σ = 314179200. Its totient is φ = 31415040.

The previous prime is 109434071. The next prime is 109434077. The reversal of 109434072 is 270434901.

It is a happy number.

It is a super-2 number, since 2×109434072² = 23951632229002368, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (109434071) 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 15 ways as a sum of consecutive naturals, for example, 5893 + ... + 15924.

It is an arithmetic number, because the mean of its divisors is an integer number (4909050).

Almost surely, 2^109434072 is an apocalyptic number.

109434072 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

109434072 is an abundant number, since it is smaller than the sum of its proper divisors (204745128).

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

109434072 is a wasteful number, since it uses less digits than its factorization.

109434072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21856 (or 21852 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 109434072 is about 10461.0741322294. The cubic root of 109434072 is about 478.3188759472.

Adding to 109434072 its reverse (270434901), we get a palindrome (379868973).

The spelling of 109434072 in words is "one hundred nine million, four hundred thirty-four thousand, seventy-two".