68850064 has 10 divisors (see below), whose sum is σ = 133397030. Its totient is φ = 34425024.

The previous prime is 68850013. The next prime is 68850073. The reversal of 68850064 is 46005886.

It can be written as a sum of positive squares in only one way, i.e., 66912400 + 1937664 = 8180^2 + 1392^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2151549 + ... + 2151580.

It is an arithmetic number, because the mean of its divisors is an integer number (13339703).

Almost surely, 2^68850064 is an apocalyptic number.

It is an amenable number.

68850064 is a deficient number, since it is larger than the sum of its proper divisors (64546966).

68850064 is a wasteful number, since it uses less digits than its factorization.

68850064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4303137 (or 4303131 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 68850064 is about 8297.5938681042. The cubic root of 68850064 is about 409.8592894099.

The spelling of 68850064 in words is "sixty-eight million, eight hundred fifty thousand, sixty-four".