3621013072 has 40 divisors (see below), whose sum is σ = 7195242600. Its totient is φ = 1764280320.

The previous prime is 3621013037. The next prime is 3621013091. The reversal of 3621013072 is 2703101263.

It can be written as a sum of positive squares in 4 ways, for example, as 798853696 + 2822159376 = 28264^2 + 53124^2 .

It is a super-2 number, since 2×3621013072² = 26223471335189754368, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661804 + ... + 667252.

It is an arithmetic number, because the mean of its divisors is an integer number (179881065).

Almost surely, 2^3621013072 is an apocalyptic number.

It is an amenable number.

3621013072 is a deficient number, since it is larger than the sum of its proper divisors (3574229528).

3621013072 is a wasteful number, since it uses less digits than its factorization.

3621013072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6511 (or 6505 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 3621013072 is about 60174.8541502179. The cubic root of 3621013072 is about 1535.5950289616.

The spelling of 3621013072 in words is "three billion, six hundred twenty-one million, thirteen thousand, seventy-two".