68529603 has 4 divisors (see below), whose sum is σ = 91372808. Its totient is φ = 45686400.

The previous prime is 68529563. The next prime is 68529607. The reversal of 68529603 is 30692586.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 68529603 - 2⁸ = 68529347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68529607) by changing a digit.

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, 11421598 + ... + 11421603.

It is an arithmetic number, because the mean of its divisors is an integer number (22843202).

Almost surely, 2^68529603 is an apocalyptic number.

68529603 is a deficient number, since it is larger than the sum of its proper divisors (22843205).

68529603 is a wasteful number, since it uses less digits than its factorization.

68529603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22843204.

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 68529603 is about 8278.2608680809. The cubic root of 68529603 is about 409.2224068000. Note that the first 3 decimals are identical.

It can be divided in two parts, 6852 and 9603, that multiplied together give a palindrome (65799756).

The spelling of 68529603 in words is "sixty-eight million, five hundred twenty-nine thousand, six hundred three".