3725721792 has 224 divisors, whose sum is σ = 12310018560. Its totient is φ = 1096381440.

The previous prime is 3725721731. The next prime is 3725721829. The reversal of 3725721792 is 2971275273.

3725721792 is a `hidden beast` number, since 3 + 7 + 2 + 572 + 1 + 79 + 2 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 513067 + ... + 520277.

It is an arithmetic number, because the mean of its divisors is an integer number (54955440).

Almost surely, 2^3725721792 is an apocalyptic number.

3725721792 is a gapful number since it is divisible by the number (32) 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 3725721792, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6155009280).

3725721792 is an abundant number, since it is smaller than the sum of its proper divisors (8584296768).

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

3725721792 is a wasteful number, since it uses less digits than its factorization.

3725721792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7268 (or 7252 counting only the distinct ones).

The product of its digits is 370440, while the sum is 45.

The square root of 3725721792 is about 61038.6909427127. The cubic root of 3725721792 is about 1550.2561896343.

It can be divided in two parts, 37257 and 21792, that added together give a 10-th power (59049 = 3¹⁰).

The spelling of 3725721792 in words is "three billion, seven hundred twenty-five million, seven hundred twenty-one thousand, seven hundred ninety-two".