68424826 has 4 divisors (see below), whose sum is σ = 102637242. Its totient is φ = 34212412.

The previous prime is 68424821. The next prime is 68424883. The reversal of 68424826 is 62842486.

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., 51194025 + 17230801 = 7155^2 + 4151^2 .

It is not an unprimeable number, because it can be changed into a prime (68424821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17106205 + ... + 17106208.

Almost surely, 2^68424826 is an apocalyptic number.

68424826 is a deficient number, since it is larger than the sum of its proper divisors (34212416).

68424826 is a wasteful number, since it uses less digits than its factorization.

68424826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34212415.

The product of its digits is 147456, while the sum is 40.

The square root of 68424826 is about 8271.9300045394. The cubic root of 68424826 is about 409.0137428803.

The spelling of 68424826 in words is "sixty-eight million, four hundred twenty-four thousand, eight hundred twenty-six".