68224476 has 12 divisors (see below), whose sum is σ = 159190472. Its totient is φ = 22741488.

The previous prime is 68224441. The next prime is 68224477. The reversal of 68224476 is 67442286.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68224477) 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, 2842675 + ... + 2842698.

Almost surely, 2^68224476 is an apocalyptic number.

It is an amenable number.

68224476 is an abundant number, since it is smaller than the sum of its proper divisors (90965996).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68224476 is a wasteful number, since it uses less digits than its factorization.

68224476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5685380 (or 5685378 counting only the distinct ones).

The product of its digits is 129024, while the sum is 39.

The square root of 68224476 is about 8259.8108937191. The cubic root of 68224476 is about 408.6141510041.

The spelling of 68224476 in words is "sixty-eight million, two hundred twenty-four thousand, four hundred seventy-six".