4731722987 has 4 divisors (see below), whose sum is σ = 4742962656. Its totient is φ = 4720483320.

The previous prime is 4731722981. The next prime is 4731723019. The reversal of 4731722987 is 7892271374.

It is a happy number.

4731722987 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4731722987 - 2⁴ = 4731722971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4731722981) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5619203 + ... + 5620044.

It is an arithmetic number, because the mean of its divisors is an integer number (1185740664).

Almost surely, 2^4731722987 is an apocalyptic number.

4731722987 is a deficient number, since it is larger than the sum of its proper divisors (11239669).

4731722987 is a wasteful number, since it uses less digits than its factorization.

4731722987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11239668.

The product of its digits is 1185408, while the sum is 50.

The square root of 4731722987 is about 68787.5205760464. The cubic root of 4731722987 is about 1678.8289016902.

The spelling of 4731722987 in words is "four billion, seven hundred thirty-one million, seven hundred twenty-two thousand, nine hundred eighty-seven".