68063288 has 8 divisors (see below), whose sum is σ = 127618680. Its totient is φ = 34031640.

The previous prime is 68063287. The next prime is 68063293. The reversal of 68063288 is 88236086.

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

It is a super-2 number, since 2×68063288² = 9265222346741888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68063287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4253948 + ... + 4253963.

It is an arithmetic number, because the mean of its divisors is an integer number (15952335).

Almost surely, 2^68063288 is an apocalyptic number.

It is an amenable number.

68063288 is a deficient number, since it is larger than the sum of its proper divisors (59555392).

68063288 is a wasteful number, since it uses less digits than its factorization.

68063288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8507917 (or 8507913 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 68063288 is about 8250.0477574375. The cubic root of 68063288 is about 408.2920982749.

The spelling of 68063288 in words is "sixty-eight million, sixty-three thousand, two hundred eighty-eight".