3751242820 has 24 divisors (see below), whose sum is σ = 8483580504. Its totient is φ = 1385074176.

The previous prime is 3751242809. The next prime is 3751242841. The reversal of 3751242820 is 282421573.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56791296 + 3694451524 = 7536^2 + 60782^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7213669 + ... + 7214188.

It is an arithmetic number, because the mean of its divisors is an integer number (353482521).

Almost surely, 2^3751242820 is an apocalyptic number.

It is an amenable number.

3751242820 is an abundant number, since it is smaller than the sum of its proper divisors (4732337684).

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

3751242820 is a wasteful number, since it uses less digits than its factorization.

3751242820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14427879 (or 14427877 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 3751242820 is about 61247.3903117512. The cubic root of 3751242820 is about 1553.7878664954.

The spelling of 3751242820 in words is "three billion, seven hundred fifty-one million, two hundred forty-two thousand, eight hundred twenty".