68464219 has 8 divisors (see below), whose sum is σ = 74260368. Its totient is φ = 62864640.

The previous prime is 68464211. The next prime is 68464223. The reversal of 68464219 is 91246486.

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

It is not a de Polignac number, because 68464219 - 2³ = 68464211 is a prime.

It is a super-2 number, since 2×68464219² = 9374698566559922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68464211) 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, 48417 + ... + 49810.

It is an arithmetic number, because the mean of its divisors is an integer number (9282546).

Almost surely, 2^68464219 is an apocalyptic number.

68464219 is a deficient number, since it is larger than the sum of its proper divisors (5796149).

68464219 is a wasteful number, since it uses less digits than its factorization.

68464219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98285.

The product of its digits is 82944, while the sum is 40.

The square root of 68464219 is about 8274.3107870082. The cubic root of 68464219 is about 409.0922192087.

The spelling of 68464219 in words is "sixty-eight million, four hundred sixty-four thousand, two hundred nineteen".