68648620 has 12 divisors (see below), whose sum is σ = 144162144. Its totient is φ = 27459440.

The previous prime is 68648617. The next prime is 68648651. The reversal of 68648620 is 2684686.

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, 1716196 + ... + 1716235.

It is an arithmetic number, because the mean of its divisors is an integer number (12013512).

Almost surely, 2^68648620 is an apocalyptic number.

It is an amenable number.

68648620 is an abundant number, since it is smaller than the sum of its proper divisors (75513524).

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

68648620 is a wasteful number, since it uses less digits than its factorization.

68648620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3432440 (or 3432438 counting only the distinct ones).

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

The square root of 68648620 is about 8285.4462764537. The cubic root of 68648620 is about 409.4591719003.

The spelling of 68648620 in words is "sixty-eight million, six hundred forty-eight thousand, six hundred twenty".