312470747 has 2 divisors, whose sum is σ = 312470748. Its totient is φ = 312470746.

The previous prime is 312470707. The next prime is 312470759. The reversal of 312470747 is 747074213.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312470747 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312470707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156235373 + 156235374.

It is an arithmetic number, because the mean of its divisors is an integer number (156235374).

Almost surely, 2^312470747 is an apocalyptic number.

312470747 is a deficient number, since it is larger than the sum of its proper divisors (1).

312470747 is an equidigital number, since it uses as much as digits as its factorization.

312470747 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32928, while the sum is 35.

The square root of 312470747 is about 17676.8421105128. The cubic root of 312470747 is about 678.5832288590.

The spelling of 312470747 in words is "three hundred twelve million, four hundred seventy thousand, seven hundred forty-seven".