3723044821 has 8 divisors (see below), whose sum is σ = 3877524864. Its totient is φ = 3571399440.

The previous prime is 3723044783. The next prime is 3723044827. The reversal of 3723044821 is 1284403273.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3723044821 - 2⁹ = 3723044309 is a prime.

It is a super-2 number, since 2×3723044821² = 27722125478349844082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3723044827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 705985 + ... + 711238.

It is an arithmetic number, because the mean of its divisors is an integer number (484690608).

Almost surely, 2^3723044821 is an apocalyptic number.

It is an amenable number.

3723044821 is a deficient number, since it is larger than the sum of its proper divisors (154480043).

3723044821 is a wasteful number, since it uses less digits than its factorization.

3723044821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1417331.

The product of its (nonzero) digits is 32256, while the sum is 34.

The square root of 3723044821 is about 61016.7585258345. The cubic root of 3723044821 is about 1549.8848087826.

The spelling of 3723044821 in words is "three billion, seven hundred twenty-three million, forty-four thousand, eight hundred twenty-one".