3561674738 has 8 divisors (see below), whose sum is σ = 5343296220. Its totient is φ = 1780576000.

The previous prime is 3561674687. The next prime is 3561674747. The reversal of 3561674738 is 8374761653.

It can be written as a sum of positive squares in 2 ways, for example, as 3551325649 + 10349089 = 59593^2 + 3217^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113183 + ... + 141186.

Almost surely, 2^3561674738 is an apocalyptic number.

3561674738 is a deficient number, since it is larger than the sum of its proper divisors (1781621482).

3561674738 is a wasteful number, since it uses less digits than its factorization.

3561674738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 261372.

The product of its digits is 2540160, while the sum is 50.

The square root of 3561674738 is about 59679.7682468691. The cubic root of 3561674738 is about 1527.1607443273.

The spelling of 3561674738 in words is "three billion, five hundred sixty-one million, six hundred seventy-four thousand, seven hundred thirty-eight".