4770729621 has 36 divisors (see below), whose sum is σ = 8364668832. Its totient is φ = 2607598224.

The previous prime is 4770729611. The next prime is 4770729637. The reversal of 4770729621 is 1269270774.

4770729621 is a `hidden beast` number, since 477 + 0 + 72 + 96 + 21 = 666.

4770729621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4770729621 - 2⁷ = 4770729493 is a prime.

It is a super-2 number, since 2×4770729621² = 45519722233373607282, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4770729611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 225031 + ... + 245316.

It is an arithmetic number, because the mean of its divisors is an integer number (232351912).

Almost surely, 2^4770729621 is an apocalyptic number.

It is an amenable number.

4770729621 is a deficient number, since it is larger than the sum of its proper divisors (3593939211).

4770729621 is a wasteful number, since it uses less digits than its factorization.

4770729621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470390 (or 470380 counting only the distinct ones).

The product of its (nonzero) digits is 296352, while the sum is 45.

The square root of 4770729621 is about 69070.4685158571. The cubic root of 4770729621 is about 1683.4295047583.

The spelling of 4770729621 in words is "four billion, seven hundred seventy million, seven hundred twenty-nine thousand, six hundred twenty-one".