67275947 has 2 divisors, whose sum is σ = 67275948. Its totient is φ = 67275946.

The previous prime is 67275937. The next prime is 67275961. The reversal of 67275947 is 74957276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67275947 - 2⁴ = 67275931 is a prime.

It is not a weakly prime, because it can be changed into another prime (67275937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33637973 + 33637974.

It is an arithmetic number, because the mean of its divisors is an integer number (33637974).

Almost surely, 2^67275947 is an apocalyptic number.

67275947 is a deficient number, since it is larger than the sum of its proper divisors (1).

67275947 is an equidigital number, since it uses as much as digits as its factorization.

67275947 is an evil number, because the sum of its binary digits is even.

The product of its digits is 740880, while the sum is 47.

The square root of 67275947 is about 8202.1915973720. The cubic root of 67275947 is about 406.7116442982.

The spelling of 67275947 in words is "sixty-seven million, two hundred seventy-five thousand, nine hundred forty-seven".