67323331 has 2 divisors, whose sum is σ = 67323332. Its totient is φ = 67323330.

The previous prime is 67323329. The next prime is 67323341. The reversal of 67323331 is 13332376.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67323331 - 2¹ = 67323329 is a prime.

It is a super-2 number, since 2×67323331² = 9064861793871122, which contains 22 as substring.

Together with 67323329, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 67323331.

It is not a weakly prime, because it can be changed into another prime (67323341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33661665 + 33661666.

It is an arithmetic number, because the mean of its divisors is an integer number (33661666).

Almost surely, 2^67323331 is an apocalyptic number.

67323331 is a deficient number, since it is larger than the sum of its proper divisors (1).

67323331 is an equidigital number, since it uses as much as digits as its factorization.

67323331 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6804, while the sum is 28.

The square root of 67323331 is about 8205.0795852326. The cubic root of 67323331 is about 406.8071073509.

The spelling of 67323331 in words is "sixty-seven million, three hundred twenty-three thousand, three hundred thirty-one".