4073013621 has 12 divisors (see below), whose sum is σ = 6020062048. Its totient is φ = 2652194664.

The previous prime is 4073013577. The next prime is 4073013643. The reversal of 4073013621 is 1263103704.

4073013621 is a `hidden beast` number, since 4 + 0 + 7 + 30 + 1 + 3 + 621 = 666.

4073013621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4073013621 - 2¹⁰ = 4073012597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4073013671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5261905 + ... + 5262678.

Almost surely, 2^4073013621 is an apocalyptic number.

It is an amenable number.

4073013621 is a deficient number, since it is larger than the sum of its proper divisors (1947048427).

4073013621 is a wasteful number, since it uses less digits than its factorization.

4073013621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10524632 (or 10524629 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 27.

The square root of 4073013621 is about 63820.1662564428. The cubic root of 4073013621 is about 1597.0013655314.

The spelling of 4073013621 in words is "four billion, seventy-three million, thirteen thousand, six hundred twenty-one".