67805949 has 8 divisors (see below), whose sum is σ = 90453600. Its totient is φ = 45181136.

The previous prime is 67805939. The next prime is 67805971. The reversal of 67805949 is 94950876.

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 67805949 - 2⁵ = 67805917 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 67805898 and 67805907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67805929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3214 + ... + 12080.

It is an arithmetic number, because the mean of its divisors is an integer number (11306700).

Almost surely, 2^67805949 is an apocalyptic number.

It is an amenable number.

67805949 is a deficient number, since it is larger than the sum of its proper divisors (22647651).

67805949 is a wasteful number, since it uses less digits than its factorization.

67805949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11419.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 67805949 is about 8234.4367749106. The cubic root of 67805949 is about 407.7768808426.

The spelling of 67805949 in words is "sixty-seven million, eight hundred five thousand, nine hundred forty-nine".