3506068404 has 72 divisors (see below), whose sum is σ = 9441563040. Its totient is φ = 1093822272.

The previous prime is 3506068387. The next prime is 3506068429. The reversal of 3506068404 is 4048606053.

3506068404 is a `hidden beast` number, since 3 + 5 + 0 + 606 + 8 + 40 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25894 + ... + 87650.

It is an arithmetic number, because the mean of its divisors is an integer number (131132820).

Almost surely, 2^3506068404 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3506068404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4720781520).

3506068404 is an abundant number, since it is smaller than the sum of its proper divisors (5935494636).

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

3506068404 is a wasteful number, since it uses less digits than its factorization.

3506068404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61869 (or 61864 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 3506068404 is about 59212.0629939542. The cubic root of 3506068404 is about 1519.1714673191.

The spelling of 3506068404 in words is "three billion, five hundred six million, sixty-eight thousand, four hundred four".