3721273248 has 144 divisors (see below), whose sum is σ = 12396361824. Its totient is φ = 966551040.

The previous prime is 3721273223. The next prime is 3721273249. The reversal of 3721273248 is 8423721273.

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (3721273249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15786 + ... + 87702.

It is an arithmetic number, because the mean of its divisors is an integer number (86085846).

Almost surely, 2^3721273248 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3721273248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6198180912).

3721273248 is an abundant number, since it is smaller than the sum of its proper divisors (8675088576).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3721273248 is a wasteful number, since it uses less digits than its factorization.

3721273248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71955 (or 71940 counting only the distinct ones).

The product of its digits is 112896, while the sum is 39.

The square root of 3721273248 is about 61002.2396965882. The cubic root of 3721273248 is about 1549.6389374741.

The spelling of 3721273248 in words is "three billion, seven hundred twenty-one million, two hundred seventy-three thousand, two hundred forty-eight".