68076556 has 24 divisors (see below), whose sum is σ = 121408560. Its totient is φ = 33392832.

The previous prime is 68076553. The next prime is 68076557. The reversal of 68076556 is 65567086.

It is a super-2 number, since 2×68076556² = 9268834953642272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (68076553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103926 + ... + 104578.

It is an arithmetic number, because the mean of its divisors is an integer number (5058690).

Almost surely, 2^68076556 is an apocalyptic number.

It is an amenable number.

68076556 is a deficient number, since it is larger than the sum of its proper divisors (53332004).

68076556 is a wasteful number, since it uses less digits than its factorization.

68076556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1113 (or 1111 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 43.

The square root of 68076556 is about 8250.8518348108. The cubic root of 68076556 is about 408.3186268571.

The spelling of 68076556 in words is "sixty-eight million, seventy-six thousand, five hundred fifty-six".