4320782972 has 24 divisors (see below), whose sum is σ = 8250802560. Its totient is φ = 1963507760.

The previous prime is 4320782959. The next prime is 4320782981. The reversal of 4320782972 is 2792870234.

It is a happy number.

It is a super-2 number, since 2×4320782972² = 37338330982250305568, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

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, 216929 + ... + 236007.

It is an arithmetic number, because the mean of its divisors is an integer number (343783440).

Almost surely, 2^4320782972 is an apocalyptic number.

It is an amenable number.

4320782972 is a deficient number, since it is larger than the sum of its proper divisors (3930019588).

4320782972 is a wasteful number, since it uses less digits than its factorization.

4320782972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24241 (or 24239 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 44.

The square root of 4320782972 is about 65732.6629005702. The cubic root of 4320782972 is about 1628.7489581330.

The spelling of 4320782972 in words is "four billion, three hundred twenty million, seven hundred eighty-two thousand, nine hundred seventy-two".