68003529 has 16 divisors (see below), whose sum is σ = 99843840. Its totient is φ = 40826960.

The previous prime is 68003503. The next prime is 68003539. The reversal of 68003529 is 92530086.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 68003529 - 2⁵ = 68003497 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 68003529.

It is not an unprimeable number, because it can be changed into a prime (68003539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6099 + ... + 13160.

It is an arithmetic number, because the mean of its divisors is an integer number (6240240).

Almost surely, 2^68003529 is an apocalyptic number.

It is an amenable number.

68003529 is a deficient number, since it is larger than the sum of its proper divisors (31840311).

68003529 is a wasteful number, since it uses less digits than its factorization.

68003529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19380.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 68003529 is about 8246.4252255144. The cubic root of 68003529 is about 408.1725709328.

The spelling of 68003529 in words is "sixty-eight million, three thousand, five hundred twenty-nine".