67780801 has 8 divisors (see below), whose sum is σ = 76492800. Its totient is φ = 59493840.

The previous prime is 67780777. The next prime is 67780807. The reversal of 67780801 is 10808776.

It is a happy number.

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 67780801 - 2⁷ = 67780673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67780807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105921 + ... + 106558.

It is an arithmetic number, because the mean of its divisors is an integer number (9561600).

Almost surely, 2^67780801 is an apocalyptic number.

It is an amenable number.

67780801 is a deficient number, since it is larger than the sum of its proper divisors (8711999).

67780801 is a wasteful number, since it uses less digits than its factorization.

67780801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212519.

The product of its (nonzero) digits is 18816, while the sum is 37.

The square root of 67780801 is about 8232.9096314729. The cubic root of 67780801 is about 407.7264622526.

The spelling of 67780801 in words is "sixty-seven million, seven hundred eighty thousand, eight hundred one".