68895620 has 12 divisors (see below), whose sum is σ = 144680844. Its totient is φ = 27558240.

The previous prime is 68895599. The next prime is 68895623. The reversal of 68895620 is 2659886.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 45778756 + 23116864 = 6766^2 + 4808^2 .

It is not an unprimeable number, because it can be changed into a prime (68895623) 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, 1722371 + ... + 1722410.

It is an arithmetic number, because the mean of its divisors is an integer number (12056737).

Almost surely, 2^68895620 is an apocalyptic number.

It is an amenable number.

68895620 is an abundant number, since it is smaller than the sum of its proper divisors (75785224).

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

68895620 is a wasteful number, since it uses less digits than its factorization.

68895620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3444790 (or 3444788 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 44.

The square root of 68895620 is about 8300.3385473124. The cubic root of 68895620 is about 409.9496666349.

The spelling of 68895620 in words is "sixty-eight million, eight hundred ninety-five thousand, six hundred twenty".