68903072 has 48 divisors (see below), whose sum is σ = 160392960. Its totient is φ = 28508928.

The previous prime is 68903069. The next prime is 68903137. The reversal of 68903072 is 27030986.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1193 + ... + 11799.

It is an arithmetic number, because the mean of its divisors is an integer number (3341520).

Almost surely, 2^68903072 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 68903072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80196480).

68903072 is an abundant number, since it is smaller than the sum of its proper divisors (91489888).

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

68903072 is a wasteful number, since it uses less digits than its factorization.

68903072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10653 (or 10645 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 68903072 is about 8300.7874325271. The cubic root of 68903072 is about 409.9644466494.

The spelling of 68903072 in words is "sixty-eight million, nine hundred three thousand, seventy-two".