67996549 has 8 divisors (see below), whose sum is σ = 72109440. Its totient is φ = 63896256.

The previous prime is 67996519. The next prime is 67996559. The reversal of 67996549 is 94569976.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67996549 - 2⁹ = 67996037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 67996549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67996519) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 9442 + ... + 15004.

It is an arithmetic number, because the mean of its divisors is an integer number (9013680).

Almost surely, 2^67996549 is an apocalyptic number.

It is an amenable number.

67996549 is a deficient number, since it is larger than the sum of its proper divisors (4112891).

67996549 is a wasteful number, since it uses less digits than its factorization.

67996549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6299.

The product of its digits is 3674160, while the sum is 55.

The square root of 67996549 is about 8246.0020009699. The cubic root of 67996549 is about 408.1586052750.

The spelling of 67996549 in words is "sixty-seven million, nine hundred ninety-six thousand, five hundred forty-nine".