3272776642 has 4 divisors (see below), whose sum is σ = 4909164966. Its totient is φ = 1636388320.

The previous prime is 3272776631. The next prime is 3272776649. The reversal of 3272776642 is 2466772723.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2466772723 = 887 ⋅2781029.

It can be written as a sum of positive squares in only one way, i.e., 2578506841 + 694269801 = 50779^2 + 26349^2 .

It is a super-2 number, since 2×3272776642² = 21422133896841592328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3272776592 and 3272776601.

It is not an unprimeable number, because it can be changed into a prime (3272776649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 818194159 + ... + 818194162.

Almost surely, 2^3272776642 is an apocalyptic number.

3272776642 is a deficient number, since it is larger than the sum of its proper divisors (1636388324).

3272776642 is a wasteful number, since it uses less digits than its factorization.

3272776642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1636388323.

The product of its digits is 1185408, while the sum is 46.

The square root of 3272776642 is about 57208.1868441922. The cubic root of 3272776642 is about 1484.7002750002.

The spelling of 3272776642 in words is "three billion, two hundred seventy-two million, seven hundred seventy-six thousand, six hundred forty-two".