68528427 has 8 divisors (see below), whose sum is σ = 99677760. Its totient is φ = 41532360.

The previous prime is 68528423. The next prime is 68528429. The reversal of 68528427 is 72482586.

It is a happy number.

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

It is not a de Polignac number, because 68528427 - 2² = 68528423 is a prime.

It is a super-2 number, since 2×68528427² = 9392290614188658, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68528423) 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, 1038277 + ... + 1038342.

It is an arithmetic number, because the mean of its divisors is an integer number (12459720).

Almost surely, 2^68528427 is an apocalyptic number.

68528427 is a deficient number, since it is larger than the sum of its proper divisors (31149333).

68528427 is a wasteful number, since it uses less digits than its factorization.

68528427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076633.

The product of its digits is 215040, while the sum is 42.

The square root of 68528427 is about 8278.1898383644. The cubic root of 68528427 is about 409.2200659707.

The spelling of 68528427 in words is "sixty-eight million, five hundred twenty-eight thousand, four hundred twenty-seven".