68750770 has 16 divisors (see below), whose sum is σ = 135001728. Its totient is φ = 25000240.

The previous prime is 68750767. The next prime is 68750779. The reversal of 68750770 is 7705786.

It is not an unprimeable number, because it can be changed into a prime (68750779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 312394 + ... + 312613.

It is an arithmetic number, because the mean of its divisors is an integer number (8437608).

Almost surely, 2^68750770 is an apocalyptic number.

68750770 is a deficient number, since it is larger than the sum of its proper divisors (66250958).

68750770 is a wasteful number, since it uses less digits than its factorization.

68750770 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 625025.

The product of its (nonzero) digits is 82320, while the sum is 40.

The square root of 68750770 is about 8291.6084085056. The cubic root of 68750770 is about 409.6621646943.

The spelling of 68750770 in words is "sixty-eight million, seven hundred fifty thousand, seven hundred seventy".