306707130 has 24 divisors (see below), whose sum is σ = 797438772. Its totient is φ = 81788544.

The previous prime is 306707099. The next prime is 306707153. The reversal of 306707130 is 31707603.

It can be written as a sum of positive squares in 2 ways, for example, as 304537401 + 2169729 = 17451^2 + 1473^2 .

It is a junction number, because it is equal to n+sod(n) for n = 306707094 and 306707103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1703839 + ... + 1704018.

Almost surely, 2^306707130 is an apocalyptic number.

306707130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

306707130 is an abundant number, since it is smaller than the sum of its proper divisors (490731642).

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

306707130 is a wasteful number, since it uses less digits than its factorization.

306707130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3407870 (or 3407867 counting only the distinct ones).

The product of its (nonzero) digits is 2646, while the sum is 27.

The square root of 306707130 is about 17513.0559868916. The cubic root of 306707130 is about 674.3850860842.

The spelling of 306707130 in words is "three hundred six million, seven hundred seven thousand, one hundred thirty".