3621244672 has 36 divisors (see below), whose sum is σ = 7234603096. Its totient is φ = 1809054720.

The previous prime is 3621244651. The next prime is 3621244733. The reversal of 3621244672 is 2764421263.

It is a super-2 number, since 2×3621244672² = 26226825948976775168, which contains 22 as substring.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 325018 + ... + 335974.

Almost surely, 2^3621244672 is an apocalyptic number.

3621244672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3621244672 is a deficient number, since it is larger than the sum of its proper divisors (3613358424).

3621244672 is a wasteful number, since it uses less digits than its factorization.

3621244672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12264 (or 12250 counting only the distinct ones).

The product of its digits is 96768, while the sum is 37.

The square root of 3621244672 is about 60176.7785113161. The cubic root of 3621244672 is about 1535.6277671503.

It can be divided in two parts, 362124 and 4672, that added together give a triangular number (366796 = T₈₅₆).

The spelling of 3621244672 in words is "three billion, six hundred twenty-one million, two hundred forty-four thousand, six hundred seventy-two".