68072080 has 40 divisors (see below), whose sum is σ = 167580792. Its totient is φ = 25626624.

The previous prime is 68072071. The next prime is 68072107. The reversal of 68072080 is 8027086.

It can be written as a sum of positive squares in 4 ways, for example, as 33779344 + 34292736 = 5812^2 + 5856^2 .

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

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, 23667 + ... + 26386.

Almost surely, 2^68072080 is an apocalyptic number.

It is an amenable number.

68072080 is an abundant number, since it is smaller than the sum of its proper divisors (99508712).

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

68072080 is a wasteful number, since it uses less digits than its factorization.

68072080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50083 (or 50077 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 68072080 is about 8250.5805856315. The cubic root of 68072080 is about 408.3096777448.

The spelling of 68072080 in words is "sixty-eight million, seventy-two thousand, eighty".