667333395 has 24 divisors (see below), whose sum is σ = 1167949536. Its totient is φ = 352453248.

The previous prime is 667333393. The next prime is 667333399. The reversal of 667333395 is 593333766.

It is a happy number.

It is not a de Polignac number, because 667333395 - 2¹ = 667333393 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 667333395.

It is not an unprimeable number, because it can be changed into a prime (667333391) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 67354 + ... + 76623.

It is an arithmetic number, because the mean of its divisors is an integer number (48664564).

Almost surely, 2^667333395 is an apocalyptic number.

667333395 is a deficient number, since it is larger than the sum of its proper divisors (500616141).

667333395 is a wasteful number, since it uses less digits than its factorization.

667333395 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144091 (or 144088 counting only the distinct ones).

The product of its digits is 918540, while the sum is 45.

The square root of 667333395 is about 25832.7968869033. The cubic root of 667333395 is about 873.8715881314.

The spelling of 667333395 in words is "six hundred sixty-seven million, three hundred thirty-three thousand, three hundred ninety-five".