68080288 has 24 divisors (see below), whose sum is σ = 134719200. Its totient is φ = 33865920.

The previous prime is 68080279. The next prime is 68080297. The reversal of 68080288 is 88208086.

It is an interprime number because it is at equal distance from previous prime (68080279) and next prime (68080297).

It is a super-2 number, since 2×68080288² = 9269851228325888, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 68080288.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1023 + ... + 11713.

It is an arithmetic number, because the mean of its divisors is an integer number (5613300).

Almost surely, 2^68080288 is an apocalyptic number.

It is an amenable number.

68080288 is a deficient number, since it is larger than the sum of its proper divisors (66638912).

68080288 is a wasteful number, since it uses less digits than its factorization.

68080288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10900 (or 10892 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 40.

The square root of 68080288 is about 8251.0779901780. The cubic root of 68080288 is about 408.3260881495.

The spelling of 68080288 in words is "sixty-eight million, eighty thousand, two hundred eighty-eight".