307740009 has 4 divisors (see below), whose sum is σ = 410320016. Its totient is φ = 205160004.

The previous prime is 307739987. The next prime is 307740011. The reversal of 307740009 is 900047703.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 307740009 - 2⁸ = 307739753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307740079) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 51289999 + ... + 51290004.

It is an arithmetic number, because the mean of its divisors is an integer number (102580004).

Almost surely, 2^307740009 is an apocalyptic number.

It is an amenable number.

307740009 is a deficient number, since it is larger than the sum of its proper divisors (102580007).

307740009 is a wasteful number, since it uses less digits than its factorization.

307740009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102580006.

The product of its (nonzero) digits is 5292, while the sum is 30.

The square root of 307740009 is about 17542.5200299159. The cubic root of 307740009 is about 675.1412664551.

The spelling of 307740009 in words is "three hundred seven million, seven hundred forty thousand, nine".