68648072 has 16 divisors (see below), whose sum is σ = 129730560. Its totient is φ = 34053264.

The previous prime is 68648071. The next prime is 68648087. The reversal of 68648072 is 27084686.

It is not an unprimeable number, because it can be changed into a prime (68648071) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32768 + ... + 34799.

It is an arithmetic number, because the mean of its divisors is an integer number (8108160).

Almost surely, 2^68648072 is an apocalyptic number.

It is an amenable number.

68648072 is a deficient number, since it is larger than the sum of its proper divisors (61082488).

68648072 is a wasteful number, since it uses less digits than its factorization.

68648072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67700 (or 67696 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 68648072 is about 8285.4132063525. The cubic root of 68648072 is about 409.4580823701.

The spelling of 68648072 in words is "sixty-eight million, six hundred forty-eight thousand, seventy-two".