68766534 has 12 divisors (see below), whose sum is σ = 148994196. Its totient is φ = 22922172.

The previous prime is 68766517. The next prime is 68766539. The reversal of 68766534 is 43566786.

It is a self number, because there is not a number n which added to its sum of digits gives 68766534.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68766539) 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 5 ways as a sum of consecutive naturals, for example, 1910164 + ... + 1910199.

It is an arithmetic number, because the mean of its divisors is an integer number (12416183).

Almost surely, 2^68766534 is an apocalyptic number.

68766534 is an abundant number, since it is smaller than the sum of its proper divisors (80227662).

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

68766534 is a wasteful number, since it uses less digits than its factorization.

68766534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3820371 (or 3820368 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 68766534 is about 8292.5589536644. The cubic root of 68766534 is about 409.6934730508.

The spelling of 68766534 in words is "sixty-eight million, seven hundred sixty-six thousand, five hundred thirty-four".