3721473443 has 4 divisors (see below), whose sum is σ = 3721694088. Its totient is φ = 3721252800.

The previous prime is 3721473433. The next prime is 3721473463. The reversal of 3721473443 is 3443741273.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3721473443 - 2¹² = 3721469347 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3721473397 and 3721473406.

It is not an unprimeable number, because it can be changed into a prime (3721473403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82721 + ... + 119522.

It is an arithmetic number, because the mean of its divisors is an integer number (930423522).

Almost surely, 2^3721473443 is an apocalyptic number.

3721473443 is a deficient number, since it is larger than the sum of its proper divisors (220645).

3721473443 is a wasteful number, since it uses less digits than its factorization.

3721473443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 220644.

The product of its digits is 169344, while the sum is 38.

The square root of 3721473443 is about 61003.8805568957. The cubic root of 3721473443 is about 1549.6667258486. Note that the first 3 decimals are identical.

The spelling of 3721473443 in words is "three billion, seven hundred twenty-one million, four hundred seventy-three thousand, four hundred forty-three".