3742721036 has 24 divisors (see below), whose sum is σ = 6651938160. Its totient is φ = 1842204672.

The previous prime is 3742721029. The next prime is 3742721053. The reversal of 3742721036 is 6301272473.

It is a junction number, because it is equal to n+sod(n) for n = 3742720987 and 3742721005.

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, 502556 + ... + 509948.

It is an arithmetic number, because the mean of its divisors is an integer number (277164090).

Almost surely, 2^3742721036 is an apocalyptic number.

It is an amenable number.

3742721036 is a deficient number, since it is larger than the sum of its proper divisors (2909217124).

3742721036 is a wasteful number, since it uses less digits than its factorization.

3742721036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9353 (or 9351 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 3742721036 is about 61177.7822089033. The cubic root of 3742721036 is about 1552.6103826098.

The spelling of 3742721036 in words is "three billion, seven hundred forty-two million, seven hundred twenty-one thousand, thirty-six".