3247442772 has 48 divisors (see below), whose sum is σ = 9036367872. Its totient is φ = 887499360.

The previous prime is 3247442767. The next prime is 3247442791. The reversal of 3247442772 is 2772447423.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 838504 + ... + 842367.

It is an arithmetic number, because the mean of its divisors is an integer number (188257664).

Almost surely, 2^3247442772 is an apocalyptic number.

It is an amenable number.

3247442772 is an abundant number, since it is smaller than the sum of its proper divisors (5788925100).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3247442772 is a wasteful number, since it uses less digits than its factorization.

3247442772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1680908 (or 1680906 counting only the distinct ones).

The product of its digits is 526848, while the sum is 42.

The square root of 3247442772 is about 56986.3384680925. The cubic root of 3247442772 is about 1480.8594308325.

The spelling of 3247442772 in words is "three billion, two hundred forty-seven million, four hundred forty-two thousand, seven hundred seventy-two".