67516065 has 16 divisors (see below), whose sum is σ = 120028800. Its totient is φ = 36008496.

The previous prime is 67516051. The next prime is 67516069. The reversal of 67516065 is 56061576.

It is a happy number.

It is not a de Polignac number, because 67516065 - 2¹¹ = 67514017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (67516069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 249925 + ... + 250194.

It is an arithmetic number, because the mean of its divisors is an integer number (7501800).

Almost surely, 2^67516065 is an apocalyptic number.

It is an amenable number.

67516065 is a deficient number, since it is larger than the sum of its proper divisors (52512735).

67516065 is a wasteful number, since it uses less digits than its factorization.

67516065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500133 (or 500127 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 67516065 is about 8216.8159891773. The cubic root of 67516065 is about 407.1949414966.

The spelling of 67516065 in words is "sixty-seven million, five hundred sixteen thousand, sixty-five".