312747458 has 16 divisors (see below), whose sum is σ = 483268344. Its totient is φ = 151683840.

The previous prime is 312747451. The next prime is 312747473. The reversal of 312747458 is 854747213.

It can be written as a sum of positive squares in 4 ways, for example, as 310711129 + 2036329 = 17627^2 + 1427^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (312747451) 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 7 ways as a sum of consecutive naturals, for example, 18668 + ... + 31208.

Almost surely, 2^312747458 is an apocalyptic number.

312747458 is a deficient number, since it is larger than the sum of its proper divisors (170520886).

312747458 is a wasteful number, since it uses less digits than its factorization.

312747458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12917.

The product of its digits is 188160, while the sum is 41.

The square root of 312747458 is about 17684.6673138060. The cubic root of 312747458 is about 678.7834780508.

The spelling of 312747458 in words is "three hundred twelve million, seven hundred forty-seven thousand, four hundred fifty-eight".