68627321 has 8 divisors (see below), whose sum is σ = 78778560. Its totient is φ = 58562928.

The previous prime is 68627287. The next prime is 68627329. The reversal of 68627321 is 12372686.

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 68627321 - 2¹⁴ = 68610937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (68627329) 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, 20006 + ... + 23183.

It is an arithmetic number, because the mean of its divisors is an integer number (9847320).

Almost surely, 2^68627321 is an apocalyptic number.

It is an amenable number.

68627321 is a deficient number, since it is larger than the sum of its proper divisors (10151239).

68627321 is a wasteful number, since it uses less digits than its factorization.

68627321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43423.

The product of its digits is 24192, while the sum is 35.

The square root of 68627321 is about 8284.1608506837. The cubic root of 68627321 is about 409.4168210951.

The spelling of 68627321 in words is "sixty-eight million, six hundred twenty-seven thousand, three hundred twenty-one".