68539234 has 8 divisors (see below), whose sum is σ = 104494428. Its totient is φ = 33707760.

The previous prime is 68539201. The next prime is 68539243. The reversal of 68539234 is 43293586.

It can be written as a sum of positive squares in 2 ways, for example, as 59521225 + 9018009 = 7715^2 + 3003^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280777 + ... + 281020.

Almost surely, 2^68539234 is an apocalyptic number.

68539234 is a deficient number, since it is larger than the sum of its proper divisors (35955194).

68539234 is a wasteful number, since it uses less digits than its factorization.

68539234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561860.

The product of its digits is 155520, while the sum is 40.

The square root of 68539234 is about 8278.8425519513. The cubic root of 68539234 is about 409.2415763083.

The spelling of 68539234 in words is "sixty-eight million, five hundred thirty-nine thousand, two hundred thirty-four".