67340734065 has 24 divisors (see below), whose sum is σ = 127335207168. Its totient is φ = 32650052640.

The previous prime is 67340734049. The next prime is 67340734073. The reversal of 67340734065 is 56043704376.

It is not a de Polignac number, because 67340734065 - 2⁴ = 67340734049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 67340734065.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68020449 + ... + 68021438.

It is an arithmetic number, because the mean of its divisors is an integer number (5305633632).

Almost surely, 2^67340734065 is an apocalyptic number.

It is an amenable number.

67340734065 is a deficient number, since it is larger than the sum of its proper divisors (59994473103).

67340734065 is a wasteful number, since it uses less digits than its factorization.

67340734065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136041909 (or 136041906 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 67340734065 in words is "sixty-seven billion, three hundred forty million, seven hundred thirty-four thousand, sixty-five".