67813806 has 8 divisors (see below), whose sum is σ = 135627624. Its totient is φ = 22604600.

The previous prime is 67813789. The next prime is 67813807. The reversal of 67813806 is 60831876.

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

67813806 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67813807) 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 3 ways as a sum of consecutive naturals, for example, 5651145 + ... + 5651156.

It is an arithmetic number, because the mean of its divisors is an integer number (16953453).

Almost surely, 2^67813806 is an apocalyptic number.

67813806 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

67813806 is a wasteful number, since it uses less digits than its factorization.

67813806 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11302306.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 67813806 is about 8234.9138429008. The cubic root of 67813806 is about 407.7926305876.

The spelling of 67813806 in words is "sixty-seven million, eight hundred thirteen thousand, eight hundred six".