67349345 has 16 divisors (see below), whose sum is σ = 92789760. Its totient is φ = 45969984.

The previous prime is 67349333. The next prime is 67349407. The reversal of 67349345 is 54394376.

It is a cyclic number.

It is not a de Polignac number, because 67349345 - 2⁸ = 67349089 is a prime.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 3491 + ... + 12119.

It is an arithmetic number, because the mean of its divisors is an integer number (5799360).

Almost surely, 2^67349345 is an apocalyptic number.

It is an amenable number.

67349345 is a deficient number, since it is larger than the sum of its proper divisors (25440415).

67349345 is a wasteful number, since it uses less digits than its factorization.

67349345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8864.

The product of its digits is 272160, while the sum is 41.

The square root of 67349345 is about 8206.6646696450. The cubic root of 67349345 is about 406.8594978925.

The spelling of 67349345 in words is "sixty-seven million, three hundred forty-nine thousand, three hundred forty-five".