307274305 has 8 divisors (see below), whose sum is σ = 397093032. Its totient is φ = 226910208.

The previous prime is 307274293. The next prime is 307274309. The reversal of 307274305 is 503472703.

It can be written as a sum of positive squares in 4 ways, for example, as 44315649 + 262958656 = 6657^2 + 16216^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-307274305 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (307274309) 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, 2363584 + ... + 2363713.

It is an arithmetic number, because the mean of its divisors is an integer number (49636629).

Almost surely, 2^307274305 is an apocalyptic number.

It is an amenable number.

307274305 is a deficient number, since it is larger than the sum of its proper divisors (89818727).

307274305 is a wasteful number, since it uses less digits than its factorization.

307274305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727315.

The product of its (nonzero) digits is 17640, while the sum is 31.

The square root of 307274305 is about 17529.2414268273. The cubic root of 307274305 is about 674.8005299948.

It can be divided in two parts, 3072 and 74305, that added together give a palindrome (77377).

The spelling of 307274305 in words is "three hundred seven million, two hundred seventy-four thousand, three hundred five".