307744214 has 4 divisors (see below), whose sum is σ = 461616324. Its totient is φ = 153872106.

The previous prime is 307744211. The next prime is 307744243. The reversal of 307744214 is 412447703.

It is a semiprime because it is the product of two primes.

It is a super-3 number, since 3×307744214³ (a number of 26 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (307744211) 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 as a sum of consecutive naturals, namely, 76936052 + ... + 76936055.

It is an arithmetic number, because the mean of its divisors is an integer number (115404081).

Almost surely, 2^307744214 is an apocalyptic number.

307744214 is a deficient number, since it is larger than the sum of its proper divisors (153872110).

307744214 is a wasteful number, since it uses less digits than its factorization.

307744214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153872109.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 307744214 is about 17542.6398811581. The cubic root of 307744214 is about 675.1443415142.

The spelling of 307744214 in words is "three hundred seven million, seven hundred forty-four thousand, two hundred fourteen".