68272080 has 40 divisors (see below), whose sum is σ = 211644192. Its totient is φ = 18205824.

The previous prime is 68272079. The next prime is 68272117. The reversal of 68272080 is 8027286.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×68272080² = 9322153815052800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 141994 + ... + 142473.

Almost surely, 2^68272080 is an apocalyptic number.

68272080 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

68272080 is an abundant number, since it is smaller than the sum of its proper divisors (143372112).

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

68272080 is a wasteful number, since it uses less digits than its factorization.

68272080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284483 (or 284477 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 68272080 is about 8262.6920552566. The cubic root of 68272080 is about 408.7091664921.

The spelling of 68272080 in words is "sixty-eight million, two hundred seventy-two thousand, eighty".