68013524 has 12 divisors (see below), whose sum is σ = 119302848. Its totient is φ = 33927000.

The previous prime is 68013503. The next prime is 68013551. The reversal of 68013524 is 42531086.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18002 + ... + 21449.

It is an arithmetic number, because the mean of its divisors is an integer number (9941904).

Almost surely, 2^68013524 is an apocalyptic number.

It is an amenable number.

68013524 is a deficient number, since it is larger than the sum of its proper divisors (51289324).

68013524 is a wasteful number, since it uses less digits than its factorization.

68013524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39886 (or 39884 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 68013524 is about 8247.0312234161. The cubic root of 68013524 is about 408.1925673704.

The spelling of 68013524 in words is "sixty-eight million, thirteen thousand, five hundred twenty-four".