312747340 has 12 divisors (see below), whose sum is σ = 656769456. Its totient is φ = 125098928.

The previous prime is 312747319. The next prime is 312747341. The reversal of 312747340 is 43747213.

It is not an unprimeable number, because it can be changed into a prime (312747341) 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 3 ways as a sum of consecutive naturals, for example, 7818664 + ... + 7818703.

It is an arithmetic number, because the mean of its divisors is an integer number (54730788).

Almost surely, 2^312747340 is an apocalyptic number.

It is an amenable number.

312747340 is an abundant number, since it is smaller than the sum of its proper divisors (344022116).

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

312747340 is a wasteful number, since it uses less digits than its factorization.

312747340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15637376 (or 15637374 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 312747340 is about 17684.6639775824. The cubic root of 312747340 is about 678.7833926821.

The spelling of 312747340 in words is "three hundred twelve million, seven hundred forty-seven thousand, three hundred forty".