68029313 has 4 divisors (see below), whose sum is σ = 74213808. Its totient is φ = 61844820.

The previous prime is 68029307. The next prime is 68029333. The reversal of 68029313 is 31392086.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 68029313 - 2⁸ = 68029057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 68029313.

It is not an unprimeable number, because it can be changed into a prime (68029333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3092231 + ... + 3092252.

It is an arithmetic number, because the mean of its divisors is an integer number (18553452).

Almost surely, 2^68029313 is an apocalyptic number.

It is an amenable number.

68029313 is a deficient number, since it is larger than the sum of its proper divisors (6184495).

68029313 is a wasteful number, since it uses less digits than its factorization.

68029313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6184494.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 68029313 is about 8247.9884214274. The cubic root of 68029313 is about 408.2241515487.

The spelling of 68029313 in words is "sixty-eight million, twenty-nine thousand, three hundred thirteen".