68850449 has 4 divisors (see below), whose sum is σ = 68874036. Its totient is φ = 68826864.

The previous prime is 68850443. The next prime is 68850469. The reversal of 68850449 is 94405886.

It is a happy number.

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 67486225 + 1364224 = 8215^2 + 1168^2 .

It is a cyclic number.

It is not a de Polignac number, because 68850449 - 2¹⁶ = 68784913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68850443) 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, 6674 + ... + 13499.

It is an arithmetic number, because the mean of its divisors is an integer number (17218509).

Almost surely, 2^68850449 is an apocalyptic number.

It is an amenable number.

68850449 is a deficient number, since it is larger than the sum of its proper divisors (23587).

68850449 is a wasteful number, since it uses less digits than its factorization.

68850449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23586.

The product of its (nonzero) digits is 276480, while the sum is 44.

The square root of 68850449 is about 8297.6170675683. The cubic root of 68850449 is about 409.8600533673.

The spelling of 68850449 in words is "sixty-eight million, eight hundred fifty thousand, four hundred forty-nine".