3217672642 has 8 divisors (see below), whose sum is σ = 4829629500. Its totient is φ = 1607796144.

The previous prime is 3217672609. The next prime is 3217672669. The reversal of 3217672642 is 2462767123.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3216137521 + 1535121 = 56711^2 + 1239^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 3217672595 and 3217672604.

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, 516217 + ... + 522412.

Almost surely, 2^3217672642 is an apocalyptic number.

3217672642 is a deficient number, since it is larger than the sum of its proper divisors (1611956858).

3217672642 is a wasteful number, since it uses less digits than its factorization.

3217672642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1040180.

The product of its digits is 169344, while the sum is 40.

The square root of 3217672642 is about 56724.5329817708. The cubic root of 3217672642 is about 1476.3203945178.

The spelling of 3217672642 in words is "three billion, two hundred seventeen million, six hundred seventy-two thousand, six hundred forty-two".