3749725224 has 256 divisors, whose sum is σ = 12766809600. Its totient is φ = 1007769600.

The previous prime is 3749725223. The next prime is 3749725229. The reversal of 3749725224 is 4225279473.

3749725224 is a `hidden beast` number, since 37 + 4 + 97 + 2 + 522 + 4 = 666.

It is a Cunningham number, because it is equal to 61235²-1.

It is a self number, because there is not a number n which added to its sum of digits gives 3749725224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3749725223) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2081124 + ... + 2082924.

It is an arithmetic number, because the mean of its divisors is an integer number (49870350).

Almost surely, 2^3749725224 is an apocalyptic number.

3749725224 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3749725224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6383404800).

3749725224 is an abundant number, since it is smaller than the sum of its proper divisors (9017084376).

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

3749725224 is a wasteful number, since it uses less digits than its factorization.

3749725224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1852 (or 1830 counting only the distinct ones).

The product of its digits is 846720, while the sum is 45.

The square root of 3749725224 is about 61234.9999918347. Note that the first 5 decimals coincide. The cubic root of 3749725224 is about 1553.5783056981.

The spelling of 3749725224 in words is "three billion, seven hundred forty-nine million, seven hundred twenty-five thousand, two hundred twenty-four".