3172217764 has 12 divisors (see below), whose sum is σ = 5555410588. Its totient is φ = 1584957600.

The previous prime is 3172217747. The next prime is 3172217767. The reversal of 3172217764 is 4677122713.

It can be written as a sum of positive squares in 2 ways, for example, as 759443364 + 2412774400 = 27558^2 + 49120^2 .

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (3172217767) 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, 281607 + ... + 292654.

Almost surely, 2^3172217764 is an apocalyptic number.

It is an amenable number.

3172217764 is a deficient number, since it is larger than the sum of its proper divisors (2383192824).

3172217764 is a wasteful number, since it uses less digits than its factorization.

3172217764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575646 (or 575644 counting only the distinct ones).

The product of its digits is 98784, while the sum is 40.

The square root of 3172217764 is about 56322.4445847302. Note that the first 3 decimals coincide. The cubic root of 3172217764 is about 1469.3355881854.

The spelling of 3172217764 in words is "three billion, one hundred seventy-two million, two hundred seventeen thousand, seven hundred sixty-four".