4673778432 has 72 divisors (see below), whose sum is σ = 12775335216. Its totient is φ = 1515810816.

The previous prime is 4673778383. The next prime is 4673778433. The reversal of 4673778432 is 2348773764.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4673778433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53823 + ... + 110654.

Almost surely, 2^4673778432 is an apocalyptic number.

It is an amenable number.

4673778432 is an abundant number, since it is smaller than the sum of its proper divisors (8101556784).

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

4673778432 is a wasteful number, since it uses less digits than its factorization.

4673778432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164533 (or 164519 counting only the distinct ones).

The product of its digits is 4741632, while the sum is 51.

The square root of 4673778432 is about 68365.0380823415. The cubic root of 4673778432 is about 1671.9477712370.

The spelling of 4673778432 in words is "four billion, six hundred seventy-three million, seven hundred seventy-eight thousand, four hundred thirty-two".