68878234 has 4 divisors (see below), whose sum is σ = 103317354. Its totient is φ = 34439116.

The previous prime is 68878231. The next prime is 68878241. The reversal of 68878234 is 43287886.

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., 68840209 + 38025 = 8297^2 + 195^2 .

It is a super-2 number, since 2×68878234² = 9488422237917512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68878231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17219557 + ... + 17219560.

Almost surely, 2^68878234 is an apocalyptic number.

68878234 is a deficient number, since it is larger than the sum of its proper divisors (34439120).

68878234 is a wasteful number, since it uses less digits than its factorization.

68878234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34439119.

The product of its digits is 516096, while the sum is 46.

The square root of 68878234 is about 8299.2911745522. The cubic root of 68878234 is about 409.9151797569.

The spelling of 68878234 in words is "sixty-eight million, eight hundred seventy-eight thousand, two hundred thirty-four".