1107689472 has 144 divisors (see below), whose sum is σ = 3292516080. Its totient is φ = 368050176.

The previous prime is 1107689459. The next prime is 1107689477. The reversal of 1107689472 is 2749867011.

It is a happy number.

1107689472 is a `hidden beast` number, since 110 + 7 + 68 + 9 + 472 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1107689477) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3538788 + ... + 3539100.

It is an arithmetic number, because the mean of its divisors is an integer number (22864695).

Almost surely, 2^1107689472 is an apocalyptic number.

1107689472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1107689472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1646258040).

1107689472 is an abundant number, since it is smaller than the sum of its proper divisors (2184826608).

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

1107689472 is an frugal number, since it uses more digits than its factorization.

1107689472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 45.

The square root of 1107689472 is about 33281.9691725114. The cubic root of 1107689472 is about 1034.6798926050.

The spelling of 1107689472 in words is "one billion, one hundred seven million, six hundred eighty-nine thousand, four hundred seventy-two".