3729454668 has 36 divisors (see below), whose sum is σ = 9463101648. Its totient is φ = 1238421600.

The previous prime is 3729454633. The next prime is 3729454697. The reversal of 3729454668 is 8664549273.

3729454668 is a `hidden beast` number, since 3 + 7 + 2 + 94 + 546 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 187483 + ... + 206418.

Almost surely, 2^3729454668 is an apocalyptic number.

It is an amenable number.

3729454668 is an abundant number, since it is smaller than the sum of its proper divisors (5733646980).

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

3729454668 is a wasteful number, since it uses less digits than its factorization.

3729454668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394174 (or 394169 counting only the distinct ones).

The product of its digits is 8709120, while the sum is 54.

The square root of 3729454668 is about 61069.2612367302. The cubic root of 3729454668 is about 1550.7737611588.

The spelling of 3729454668 in words is "three billion, seven hundred twenty-nine million, four hundred fifty-four thousand, six hundred sixty-eight".