3782505620 has 24 divisors (see below), whose sum is σ = 7962700200. Its totient is φ = 1509299712.

The previous prime is 3782505611. The next prime is 3782505653. The reversal of 3782505620 is 265052873.

It can be written as a sum of positive squares in 4 ways, for example, as 2516426896 + 1266078724 = 50164^2 + 35582^2 .

It is a congruent number.

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, 223025 + ... + 239384.

It is an arithmetic number, because the mean of its divisors is an integer number (331779175).

Almost surely, 2^3782505620 is an apocalyptic number.

It is an amenable number.

3782505620 is an abundant number, since it is smaller than the sum of its proper divisors (4180194580).

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

3782505620 is a wasteful number, since it uses less digits than its factorization.

3782505620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 462827 (or 462825 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 3782505620 is about 61502.0781762698. The cubic root of 3782505620 is about 1558.0923454607.

The spelling of 3782505620 in words is "three billion, seven hundred eighty-two million, five hundred five thousand, six hundred twenty".