3764727021 has 16 divisors (see below), whose sum is σ = 5510852928. Its totient is φ = 2267116800.

The previous prime is 3764727011. The next prime is 3764727049. The reversal of 3764727021 is 1207274673.

3764727021 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3764727021 - 2⁵ = 3764726989 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3764727011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 358140 + ... + 368501.

It is an arithmetic number, because the mean of its divisors is an integer number (344428308).

Almost surely, 2^3764727021 is an apocalyptic number.

It is an amenable number.

3764727021 is a deficient number, since it is larger than the sum of its proper divisors (1746125907).

3764727021 is a wasteful number, since it uses less digits than its factorization.

3764727021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726812.

The product of its (nonzero) digits is 98784, while the sum is 39.

The square root of 3764727021 is about 61357.3713664463. The cubic root of 3764727021 is about 1555.6473865494.

The spelling of 3764727021 in words is "three billion, seven hundred sixty-four million, seven hundred twenty-seven thousand, twenty-one".