2003534694 has 72 divisors (see below), whose sum is σ = 5270227248. Its totient is φ = 538755840.

The previous prime is 2003534683. The next prime is 2003534723. The reversal of 2003534694 is 4964353002.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8904 + ... + 63924.

Almost surely, 2^2003534694 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2003534694, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2635113624).

2003534694 is an abundant number, since it is smaller than the sum of its proper divisors (3266692554).

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

2003534694 is a wasteful number, since it uses less digits than its factorization.

2003534694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55070 (or 55050 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 36.

The square root of 2003534694 is about 44760.8611847449. The cubic root of 2003534694 is about 1260.6628522882.

Adding to 2003534694 its reverse (4964353002), we get a palindrome (6967887696).

The spelling of 2003534694 in words is "two billion, three million, five hundred thirty-four thousand, six hundred ninety-four".