320427067 has 16 divisors (see below), whose sum is σ = 359707392. Its totient is φ = 283944960.

The previous prime is 320427049. The next prime is 320427073. The reversal of 320427067 is 760724023.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 320427067 - 2²⁷ = 186209339 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320427017) 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, 11283 + ... + 27715.

It is an arithmetic number, because the mean of its divisors is an integer number (22481712).

Almost surely, 2^320427067 is an apocalyptic number.

320427067 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

320427067 is a deficient number, since it is larger than the sum of its proper divisors (39280325).

320427067 is a wasteful number, since it uses less digits than its factorization.

320427067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16518.

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 320427067 is about 17900.4767254953. The cubic root of 320427067 is about 684.2945243654.

The spelling of 320427067 in words is "three hundred twenty million, four hundred twenty-seven thousand, sixty-seven".