68468944 has 20 divisors (see below), whose sum is σ = 136245124. Its totient is φ = 33308928.

The previous prime is 68468923. The next prime is 68468957. The reversal of 68468944 is 44986486.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 39438400 + 29030544 = 6280^2 + 5388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57237 + ... + 58420.

Almost surely, 2^68468944 is an apocalyptic number.

It is an amenable number.

68468944 is a deficient number, since it is larger than the sum of its proper divisors (67776180).

68468944 is a wasteful number, since it uses less digits than its factorization.

68468944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115702 (or 115696 counting only the distinct ones).

The product of its digits is 1327104, while the sum is 49.

The square root of 68468944 is about 8274.5963043523. The cubic root of 68468944 is about 409.1016300430.

The spelling of 68468944 in words is "sixty-eight million, four hundred sixty-eight thousand, nine hundred forty-four".