3729157056 has 140 divisors (see below), whose sum is σ = 11636507080. Its totient is φ = 1177597440.

The previous prime is 3729157051. The next prime is 3729157063. The reversal of 3729157056 is 6507519273.

3729157056 is a `hidden beast` number, since 3 + 7 + 29 + 1 + 570 + 56 = 666.

3729157056 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×3729157056² = 27813224696629174272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3729157051) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 79566 + ... + 117426.

Almost surely, 2^3729157056 is an apocalyptic number.

3729157056 is a gapful number since it is divisible by the number (36) 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 3729157056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5818253540).

3729157056 is an abundant number, since it is smaller than the sum of its proper divisors (7907350024).

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

3729157056 is a wasteful number, since it uses less digits than its factorization.

3729157056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37904 (or 37885 counting only the distinct ones).

The product of its (nonzero) digits is 396900, while the sum is 45.

The square root of 3729157056 is about 61066.8245121686. The cubic root of 3729157056 is about 1550.7325092691.

The spelling of 3729157056 in words is "three billion, seven hundred twenty-nine million, one hundred fifty-seven thousand, fifty-six".