3655120742 has 16 divisors (see below), whose sum is σ = 6747915552. Its totient is φ = 1445981760.

The previous prime is 3655120723. The next prime is 3655120771. The reversal of 3655120742 is 2470215563.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 10041359 + ... + 10041722.

It is an arithmetic number, because the mean of its divisors is an integer number (421744722).

Almost surely, 2^3655120742 is an apocalyptic number.

3655120742 is a deficient number, since it is larger than the sum of its proper divisors (3092794810).

3655120742 is a wasteful number, since it uses less digits than its factorization.

3655120742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20083103.

The product of its (nonzero) digits is 50400, while the sum is 35.

The square root of 3655120742 is about 60457.5945766948. The cubic root of 3655120742 is about 1540.4014164124.

The spelling of 3655120742 in words is "three billion, six hundred fifty-five million, one hundred twenty thousand, seven hundred forty-two".