68051472 has 80 divisors (see below), whose sum is σ = 182071680. Its totient is φ = 21888000.

The previous prime is 68051449. The next prime is 68051491. The reversal of 68051472 is 27415086.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 297054 + ... + 297282.

It is an arithmetic number, because the mean of its divisors is an integer number (2275896).

Almost surely, 2^68051472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68051472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91035840).

68051472 is an abundant number, since it is smaller than the sum of its proper divisors (114020208).

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

68051472 is a wasteful number, since it uses less digits than its factorization.

68051472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 432 (or 426 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 68051472 is about 8249.3316092881. The cubic root of 68051472 is about 408.2684699784.

The spelling of 68051472 in words is "sixty-eight million, fifty-one thousand, four hundred seventy-two".