68824858 has 4 divisors (see below), whose sum is σ = 103237290. Its totient is φ = 34412428.

The previous prime is 68824853. The next prime is 68824871. The reversal of 68824858 is 85842886.

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

It can be written as a sum of positive squares in only one way, i.e., 50651689 + 18173169 = 7117^2 + 4263^2 .

It is a super-2 number, since 2×68824858² = 9473722157440328, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68824853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17206213 + ... + 17206216.

Almost surely, 2^68824858 is an apocalyptic number.

68824858 is a deficient number, since it is larger than the sum of its proper divisors (34412432).

68824858 is a wasteful number, since it uses less digits than its factorization.

68824858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34412431.

The product of its digits is 983040, while the sum is 49.

The square root of 68824858 is about 8296.0748550143. The cubic root of 68824858 is about 409.8092668265.

The spelling of 68824858 in words is "sixty-eight million, eight hundred twenty-four thousand, eight hundred fifty-eight".