68966740 has 24 divisors (see below), whose sum is σ = 146240640. Its totient is φ = 27318048.

The previous prime is 68966717. The next prime is 68966747. The reversal of 68966740 is 4766986.

It is a super-2 number, since 2×68966740² = 9512822452455200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68966747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14680 + ... + 18799.

It is an arithmetic number, because the mean of its divisors is an integer number (6093360).

Almost surely, 2^68966740 is an apocalyptic number.

It is an amenable number.

68966740 is an abundant number, since it is smaller than the sum of its proper divisors (77273900).

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

68966740 is a wasteful number, since it uses less digits than its factorization.

68966740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33591 (or 33589 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 46.

The square root of 68966740 is about 8304.6216048656. The cubic root of 68966740 is about 410.0906799230.

The spelling of 68966740 in words is "sixty-eight million, nine hundred sixty-six thousand, seven hundred forty".