68334913 has 4 divisors (see below), whose sum is σ = 68382000. Its totient is φ = 68287828.

The previous prime is 68334907. The next prime is 68334919. The reversal of 68334913 is 31943386.

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 an interprime number because it is at equal distance from previous prime (68334907) and next prime (68334919).

It is a cyclic number.

It is not a de Polignac number, because 68334913 - 2¹⁷ = 68203841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68334919) 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, 21295 + ... + 24292.

It is an arithmetic number, because the mean of its divisors is an integer number (17095500).

Almost surely, 2^68334913 is an apocalyptic number.

It is an amenable number.

68334913 is a deficient number, since it is larger than the sum of its proper divisors (47087).

68334913 is a wasteful number, since it uses less digits than its factorization.

68334913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47086.

The product of its digits is 46656, while the sum is 37.

The square root of 68334913 is about 8266.4933920012. The cubic root of 68334913 is about 408.8345107954.

The spelling of 68334913 in words is "sixty-eight million, three hundred thirty-four thousand, nine hundred thirteen".