67560971 has 2 divisors, whose sum is σ = 67560972. Its totient is φ = 67560970.

The previous prime is 67560967. The next prime is 67561003. The reversal of 67560971 is 17906576.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 67560971 - 2² = 67560967 is a prime.

It is not a weakly prime, because it can be changed into another prime (67560901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 33780485 + 33780486.

It is an arithmetic number, because the mean of its divisors is an integer number (33780486).

Almost surely, 2^67560971 is an apocalyptic number.

67560971 is a deficient number, since it is larger than the sum of its proper divisors (1).

67560971 is an equidigital number, since it uses as much as digits as its factorization.

67560971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 79380, while the sum is 41.

The square root of 67560971 is about 8219.5481019336. The cubic root of 67560971 is about 407.2851987490.

The spelling of 67560971 in words is "sixty-seven million, five hundred sixty thousand, nine hundred seventy-one".