67054387 has 2 divisors, whose sum is σ = 67054388. Its totient is φ = 67054386.

The previous prime is 67054373. The next prime is 67054391. The reversal of 67054387 is 78345076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 67054387 - 2²³ = 58665779 is a prime.

It is a Chen prime.

It is an alternating number because its digits alternate between even and odd.

It is not a weakly prime, because it can be changed into another prime (67054327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33527193 + 33527194.

It is an arithmetic number, because the mean of its divisors is an integer number (33527194).

Almost surely, 2^67054387 is an apocalyptic number.

67054387 is a deficient number, since it is larger than the sum of its proper divisors (1).

67054387 is an equidigital number, since it uses as much as digits as its factorization.

67054387 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 67054387 is about 8188.6743127322. The cubic root of 67054387 is about 406.2646785387.

The spelling of 67054387 in words is "sixty-seven million, fifty-four thousand, three hundred eighty-seven".