307470530 has 16 divisors (see below), whose sum is σ = 554429880. Its totient is φ = 122769792.

The previous prime is 307470529. The next prime is 307470533. The reversal of 307470530 is 35074703.

It can be written as a sum of positive squares in 4 ways, for example, as 267944161 + 39526369 = 16369^2 + 6287^2 .

It is a junction number, because it is equal to n+sod(n) for n = 307470493 and 307470502.

It is not an unprimeable number, because it can be changed into a prime (307470533) 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 7 ways as a sum of consecutive naturals, for example, 21329 + ... + 32708.

Almost surely, 2^307470530 is an apocalyptic number.

307470530 is a deficient number, since it is larger than the sum of its proper divisors (246959350).

307470530 is a wasteful number, since it uses less digits than its factorization.

307470530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54613.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 307470530 is about 17534.8376097414. The cubic root of 307470530 is about 674.9441416968.

The spelling of 307470530 in words is "three hundred seven million, four hundred seventy thousand, five hundred thirty".