68466451 has 8 divisors (see below), whose sum is σ = 70769664. Its totient is φ = 66198600.

The previous prime is 68466439. The next prime is 68466457. The reversal of 68466451 is 15466486.

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 68466451 - 2⁷ = 68466323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68466457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4875 + ... + 12676.

It is an arithmetic number, because the mean of its divisors is an integer number (8846208).

Almost surely, 2^68466451 is an apocalyptic number.

68466451 is a deficient number, since it is larger than the sum of its proper divisors (2303213).

68466451 is a wasteful number, since it uses less digits than its factorization.

68466451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17681.

The product of its digits is 138240, while the sum is 40.

The square root of 68466451 is about 8274.4456611908. The cubic root of 68466451 is about 409.0966647615.

The spelling of 68466451 in words is "sixty-eight million, four hundred sixty-six thousand, four hundred fifty-one".