320712067 has 16 divisors (see below), whose sum is σ = 356291712. Its totient is φ = 286819200.

The previous prime is 320712061. The next prime is 320712079. The reversal of 320712067 is 760217023.

It is a cyclic number.

It is not a de Polignac number, because 320712067 - 2¹⁹ = 320187779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320712061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59113 + ... + 64309.

It is an arithmetic number, because the mean of its divisors is an integer number (22268232).

Almost surely, 2^320712067 is an apocalyptic number.

320712067 is a deficient number, since it is larger than the sum of its proper divisors (35579645).

320712067 is a wasteful number, since it uses less digits than its factorization.

320712067 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 320712067 is about 17908.4356379892. The cubic root of 320712067 is about 684.4973434232.

The spelling of 320712067 in words is "three hundred twenty million, seven hundred twelve thousand, sixty-seven".