3721742273 has 8 divisors (see below), whose sum is σ = 3834792192. Its totient is φ = 3609348336.

The previous prime is 3721742261. The next prime is 3721742317. The reversal of 3721742273 is 3722471273.

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 3721742273 - 2⁴ = 3721742257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3721742473) 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, 152465 + ... + 175182.

It is an arithmetic number, because the mean of its divisors is an integer number (479349024).

Almost surely, 2^3721742273 is an apocalyptic number.

It is an amenable number.

3721742273 is a deficient number, since it is larger than the sum of its proper divisors (113049919).

3721742273 is a wasteful number, since it uses less digits than its factorization.

3721742273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 327991.

The product of its digits is 98784, while the sum is 38.

The square root of 3721742273 is about 61006.0839015258. The cubic root of 3721742273 is about 1549.7040396421.

Subtracting 3721742273 from its reverse (3722471273), we obtain a cube (729000 = 90³).

The spelling of 3721742273 in words is "three billion, seven hundred twenty-one million, seven hundred forty-two thousand, two hundred seventy-three".