67226649 has 16 divisors (see below), whose sum is σ = 103846272. Its totient is φ = 37888128.

The previous prime is 67226647. The next prime is 67226651. The reversal of 67226649 is 94662276.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (67226647) and next prime (67226651).

It is not a de Polignac number, because 67226649 - 2¹ = 67226647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 67226649.

It is not an unprimeable number, because it can be changed into a prime (67226647) 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, 20394 + ... + 23459.

It is an arithmetic number, because the mean of its divisors is an integer number (6490392).

Almost surely, 2^67226649 is an apocalyptic number.

It is an amenable number.

67226649 is a deficient number, since it is larger than the sum of its proper divisors (36619623).

67226649 is a wasteful number, since it uses less digits than its factorization.

67226649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43936.

The product of its digits is 217728, while the sum is 42.

The square root of 67226649 is about 8199.1858742195. The cubic root of 67226649 is about 406.6122775809.

The spelling of 67226649 in words is "sixty-seven million, two hundred twenty-six thousand, six hundred forty-nine".