3745124856 has 128 divisors (see below), whose sum is σ = 11409062400. Its totient is φ = 1128867840.

The previous prime is 3745124843. The next prime is 3745124857. The reversal of 3745124856 is 6584215473.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3745124857) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 454485 + ... + 462651.

It is an arithmetic number, because the mean of its divisors is an integer number (89133300).

Almost surely, 2^3745124856 is an apocalyptic number.

3745124856 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 3745124856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5704531200).

3745124856 is an abundant number, since it is smaller than the sum of its proper divisors (7663937544).

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

3745124856 is a wasteful number, since it uses less digits than its factorization.

3745124856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8386 (or 8376 counting only the distinct ones).

The product of its digits is 806400, while the sum is 45.

The square root of 3745124856 is about 61197.4252399560. The cubic root of 3745124856 is about 1552.9427074183.

The spelling of 3745124856 in words is "three billion, seven hundred forty-five million, one hundred twenty-four thousand, eight hundred fifty-six".