312764065 has 8 divisors (see below), whose sum is σ = 376309440. Its totient is φ = 249549552.

The previous prime is 312764057. The next prime is 312764093. The reversal of 312764065 is 560467213.

It is a happy number.

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 312764065 - 2³ = 312764057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312764065.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80629 + ... + 84418.

It is an arithmetic number, because the mean of its divisors is an integer number (47038680).

Almost surely, 2^312764065 is an apocalyptic number.

It is an amenable number.

312764065 is a deficient number, since it is larger than the sum of its proper divisors (63545375).

312764065 is a wasteful number, since it uses less digits than its factorization.

312764065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165431.

The product of its (nonzero) digits is 30240, while the sum is 34.

The square root of 312764065 is about 17685.1368385998. The cubic root of 312764065 is about 678.7954923852.

The spelling of 312764065 in words is "three hundred twelve million, seven hundred sixty-four thousand, sixty-five".