68967956 has 6 divisors (see below), whose sum is σ = 120693930. Its totient is φ = 34483976.

The previous prime is 68967923. The next prime is 68967989. The reversal of 68967956 is 65976986.

It is an interprime number because it is at equal distance from previous prime (68967923) and next prime (68967989).

It can be written as a sum of positive squares in only one way, i.e., 63043600 + 5924356 = 7940^2 + 2434^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 8620991 + ... + 8620998.

It is an arithmetic number, because the mean of its divisors is an integer number (20115655).

Almost surely, 2^68967956 is an apocalyptic number.

It is an amenable number.

68967956 is a deficient number, since it is larger than the sum of its proper divisors (51725974).

68967956 is a wasteful number, since it uses less digits than its factorization.

68967956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17241993 (or 17241991 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 56.

The square root of 68967956 is about 8304.6948167889. The cubic root of 68967956 is about 410.0930901057.

The spelling of 68967956 in words is "sixty-eight million, nine hundred sixty-seven thousand, nine hundred fifty-six".