68899834 has 4 divisors (see below), whose sum is σ = 103349754. Its totient is φ = 34449916.

The previous prime is 68899823. The next prime is 68899837. The reversal of 68899834 is 43899886.

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., 38130625 + 30769209 = 6175^2 + 5547^2 .

It is not an unprimeable number, because it can be changed into a prime (68899837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17224957 + ... + 17224960.

Almost surely, 2^68899834 is an apocalyptic number.

68899834 is a deficient number, since it is larger than the sum of its proper divisors (34449920).

68899834 is a wasteful number, since it uses less digits than its factorization.

68899834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34449919.

The product of its digits is 2985984, while the sum is 55.

The square root of 68899834 is about 8300.5923884985. The cubic root of 68899834 is about 409.9580246538.

The spelling of 68899834 in words is "sixty-eight million, eight hundred ninety-nine thousand, eight hundred thirty-four".