4644667972 has 24 divisors (see below), whose sum is σ = 9292631040. Its totient is φ = 1989865920.

The previous prime is 4644667931. The next prime is 4644667987. The reversal of 4644667972 is 2797664464.

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, 55197 + ... + 111067.

It is an arithmetic number, because the mean of its divisors is an integer number (387192960).

Almost surely, 2^4644667972 is an apocalyptic number.

It is an amenable number.

4644667972 is an abundant number, since it is smaller than the sum of its proper divisors (4647963068).

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

4644667972 is a wasteful number, since it uses less digits than its factorization.

4644667972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58851 (or 58849 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 55.

The square root of 4644667972 is about 68151.8009446559. The cubic root of 4644667972 is about 1668.4693173186.

The spelling of 4644667972 in words is "four billion, six hundred forty-four million, six hundred sixty-seven thousand, nine hundred seventy-two".