68334580 has 24 divisors (see below), whose sum is σ = 144927720. Its totient is φ = 27062400.

The previous prime is 68334521. The next prime is 68334599. The reversal of 68334580 is 8543386.

It can be written as a sum of positive squares in 4 ways, for example, as 30536676 + 37797904 = 5526^2 + 6148^2 .

It is a super-2 number, since 2×68334580² = 9339229647552800, 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, 14895 + ... + 18934.

It is an arithmetic number, because the mean of its divisors is an integer number (6038655).

Almost surely, 2^68334580 is an apocalyptic number.

It is an amenable number.

68334580 is an abundant number, since it is smaller than the sum of its proper divisors (76593140).

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

68334580 is a wasteful number, since it uses less digits than its factorization.

68334580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33939 (or 33937 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 68334580 is about 8266.4732504255. The cubic root of 68334580 is about 408.8338467029.

The spelling of 68334580 in words is "sixty-eight million, three hundred thirty-four thousand, five hundred eighty".