68819627 has 4 divisors (see below), whose sum is σ = 68911296. Its totient is φ = 68727960.

The previous prime is 68819603. The next prime is 68819629. The reversal of 68819627 is 72691886.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 68819627 - 2¹⁸ = 68557483 is a prime.

It is a super-2 number, since 2×68819627² = 9472282120838258, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68819629) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44699 + ... + 46212.

It is an arithmetic number, because the mean of its divisors is an integer number (17227824).

Almost surely, 2^68819627 is an apocalyptic number.

68819627 is a deficient number, since it is larger than the sum of its proper divisors (91669).

68819627 is an equidigital number, since it uses as much as digits as its factorization.

68819627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91668.

The product of its digits is 290304, while the sum is 47.

The square root of 68819627 is about 8295.7595794478. The cubic root of 68819627 is about 409.7988841118.

The spelling of 68819627 in words is "sixty-eight million, eight hundred nineteen thousand, six hundred twenty-seven".