3213742706 has 8 divisors (see below), whose sum is σ = 4986842220. Its totient is φ = 1551461968.

The previous prime is 3213742691. The next prime is 3213742709. The reversal of 3213742706 is 6072473123.

It can be written as a sum of positive squares in 2 ways, for example, as 3193267081 + 20475625 = 56509^2 + 4525^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3213742709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27704621 + ... + 27704736.

Almost surely, 2^3213742706 is an apocalyptic number.

3213742706 is a deficient number, since it is larger than the sum of its proper divisors (1773099514).

3213742706 is a wasteful number, since it uses less digits than its factorization.

3213742706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55409388.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 3213742706 is about 56689.8818661673. The cubic root of 3213742706 is about 1475.7191101981.

The spelling of 3213742706 in words is "three billion, two hundred thirteen million, seven hundred forty-two thousand, seven hundred six".