307712106 has 96 divisors (see below), whose sum is σ = 767807040. Its totient is φ = 88273152.

The previous prime is 307712089. The next prime is 307712129. The reversal of 307712106 is 601217703.

It is a self number, because there is not a number n which added to its sum of digits gives 307712106.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 297366 + ... + 298398.

It is an arithmetic number, because the mean of its divisors is an integer number (7997990).

Almost surely, 2^307712106 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307712106, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (383903520).

307712106 is an abundant number, since it is smaller than the sum of its proper divisors (460094934).

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

307712106 is a wasteful number, since it uses less digits than its factorization.

307712106 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140 (or 1137 counting only the distinct ones).

The product of its (nonzero) digits is 1764, while the sum is 27.

The square root of 307712106 is about 17541.7247156601. The cubic root of 307712106 is about 675.1208606628.

Adding to 307712106 its reverse (601217703), we get a palindrome (908929809).

The spelling of 307712106 in words is "three hundred seven million, seven hundred twelve thousand, one hundred six".