68335049 has 4 divisors (see below), whose sum is σ = 70691460. Its totient is φ = 65978640.

The previous prime is 68335031. The next prime is 68335051. The reversal of 68335049 is 94053386.

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

It can be written as a sum of positive squares in 2 ways, for example, as 19963024 + 48372025 = 4468^2 + 6955^2 .

It is a cyclic number.

It is not a de Polignac number, because 68335049 - 2²⁰ = 67286473 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (68335009) 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, 1178162 + ... + 1178219.

It is an arithmetic number, because the mean of its divisors is an integer number (17672865).

Almost surely, 2^68335049 is an apocalyptic number.

It is an amenable number.

68335049 is a deficient number, since it is larger than the sum of its proper divisors (2356411).

68335049 is a wasteful number, since it uses less digits than its factorization.

68335049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2356410.

The product of its (nonzero) digits is 77760, while the sum is 38.

The square root of 68335049 is about 8266.5016179760. The cubic root of 68335049 is about 408.8347820157.

The spelling of 68335049 in words is "sixty-eight million, three hundred thirty-five thousand, forty-nine".