68516302 has 4 divisors (see below), whose sum is σ = 102774456. Its totient is φ = 34258150.

The previous prime is 68516291. The next prime is 68516311. The reversal of 68516302 is 20361586.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17129074 + ... + 17129077.

It is an arithmetic number, because the mean of its divisors is an integer number (25693614).

Almost surely, 2^68516302 is an apocalyptic number.

68516302 is a deficient number, since it is larger than the sum of its proper divisors (34258154).

68516302 is a wasteful number, since it uses less digits than its factorization.

68516302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34258153.

The product of its (nonzero) digits is 8640, while the sum is 31.

The square root of 68516302 is about 8277.4574598726. The cubic root of 68516302 is about 409.1959295834.

Adding to 68516302 its reverse (20361586), we get a palindrome (88877888).

The spelling of 68516302 in words is "sixty-eight million, five hundred sixteen thousand, three hundred two".