68646028 has 48 divisors (see below), whose sum is σ = 137733120. Its totient is φ = 29649600.

The previous prime is 68645981. The next prime is 68646049. The reversal of 68646028 is 82064686.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80050 + ... + 80902.

It is an arithmetic number, because the mean of its divisors is an integer number (2869440).

Almost surely, 2^68646028 is an apocalyptic number.

It is an amenable number.

68646028 is an abundant number, since it is smaller than the sum of its proper divisors (69087092).

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

68646028 is a wasteful number, since it uses less digits than its factorization.

68646028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 958 (or 956 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 68646028 is about 8285.2898561245. The cubic root of 68646028 is about 409.4540184510.

The spelling of 68646028 in words is "sixty-eight million, six hundred forty-six thousand, twenty-eight".