68764570 has 16 divisors (see below), whose sum is σ = 141458688. Its totient is φ = 23576400.

The previous prime is 68764529. The next prime is 68764573. The reversal of 68764570 is 7546786.

It is not an unprimeable number, because it can be changed into a prime (68764573) 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, 491106 + ... + 491245.

It is an arithmetic number, because the mean of its divisors is an integer number (8841168).

Almost surely, 2^68764570 is an apocalyptic number.

68764570 is an abundant number, since it is smaller than the sum of its proper divisors (72694118).

68764570 is a wasteful number, since it uses less digits than its factorization.

68764570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982365.

The product of its (nonzero) digits is 282240, while the sum is 43.

The square root of 68764570 is about 8292.4405334015. The cubic root of 68764570 is about 409.6895726766.

The spelling of 68764570 in words is "sixty-eight million, seven hundred sixty-four thousand, five hundred seventy".