68253446 has 4 divisors (see below), whose sum is σ = 102380172. Its totient is φ = 34126722.

The previous prime is 68253433. The next prime is 68253463. The reversal of 68253446 is 64435286.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 64435286 = 2 ⋅32217643.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17063360 + ... + 17063363.

It is an arithmetic number, because the mean of its divisors is an integer number (25595043).

Almost surely, 2^68253446 is an apocalyptic number.

68253446 is a deficient number, since it is larger than the sum of its proper divisors (34126726).

68253446 is a wasteful number, since it uses less digits than its factorization.

68253446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34126725.

The product of its digits is 138240, while the sum is 38.

The square root of 68253446 is about 8261.5643797044. The cubic root of 68253446 is about 408.6719791108.

The spelling of 68253446 in words is "sixty-eight million, two hundred fifty-three thousand, four hundred forty-six".