68003436 has 12 divisors (see below), whose sum is σ = 158674712. Its totient is φ = 22667808.

The previous prime is 68003431. The next prime is 68003497. The reversal of 68003436 is 63430086.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (68003431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2833465 + ... + 2833488.

Almost surely, 2^68003436 is an apocalyptic number.

It is an amenable number.

68003436 is an abundant number, since it is smaller than the sum of its proper divisors (90671276).

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

68003436 is a wasteful number, since it uses less digits than its factorization.

68003436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5666960 (or 5666958 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 68003436 is about 8246.4195867055. The cubic root of 68003436 is about 408.1723848637.

The spelling of 68003436 in words is "sixty-eight million, three thousand, four hundred thirty-six".