68284472 has 8 divisors (see below), whose sum is σ = 128033400. Its totient is φ = 34142232.

The previous prime is 68284459. The next prime is 68284477. The reversal of 68284472 is 27448286.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68284477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267772 + ... + 4267787.

It is an arithmetic number, because the mean of its divisors is an integer number (16004175).

Almost surely, 2^68284472 is an apocalyptic number.

It is an amenable number.

68284472 is a deficient number, since it is larger than the sum of its proper divisors (59748928).

68284472 is a wasteful number, since it uses less digits than its factorization.

68284472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8535565 (or 8535561 counting only the distinct ones).

The product of its digits is 172032, while the sum is 41.

The square root of 68284472 is about 8263.4418979019. The cubic root of 68284472 is about 408.7338931328.

The spelling of 68284472 in words is "sixty-eight million, two hundred eighty-four thousand, four hundred seventy-two".