67340665 has 16 divisors (see below), whose sum is σ = 96369408. Its totient is φ = 44168256.

The previous prime is 67340659. The next prime is 67340671. The reversal of 67340665 is 56604376.

It is an interprime number because it is at equal distance from previous prime (67340659) and next prime (67340671).

It is a cyclic number.

It is not a de Polignac number, because 67340665 - 2⁵ = 67340633 is a prime.

It is a Duffinian number.

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, 41022 + ... + 42631.

It is an arithmetic number, because the mean of its divisors is an integer number (6023088).

Almost surely, 2^67340665 is an apocalyptic number.

It is an amenable number.

67340665 is a deficient number, since it is larger than the sum of its proper divisors (29028743).

67340665 is a wasteful number, since it uses less digits than its factorization.

67340665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83688.

The product of its (nonzero) digits is 90720, while the sum is 37.

The square root of 67340665 is about 8206.1358141332. The cubic root of 67340665 is about 406.8420184245.

The spelling of 67340665 in words is "sixty-seven million, three hundred forty thousand, six hundred sixty-five".