312774641 has 8 divisors (see below), whose sum is σ = 316330560. Its totient is φ = 309228912.

The previous prime is 312774617. The next prime is 312774643. The reversal of 312774641 is 146477213.

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

It is a cyclic number.

It is not a de Polignac number, because 312774641 - 2⁶ = 312774577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312774643) 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, 70886 + ... + 75168.

It is an arithmetic number, because the mean of its divisors is an integer number (39541320).

Almost surely, 2^312774641 is an apocalyptic number.

It is an amenable number.

312774641 is a deficient number, since it is larger than the sum of its proper divisors (3555919).

312774641 is a wasteful number, since it uses less digits than its factorization.

312774641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5095.

The product of its digits is 28224, while the sum is 35.

The square root of 312774641 is about 17685.4358442194. The cubic root of 312774641 is about 678.8031433710.

The spelling of 312774641 in words is "three hundred twelve million, seven hundred seventy-four thousand, six hundred forty-one".