4076721243 has 12 divisors (see below), whose sum is σ = 6729825648. Its totient is φ = 2329554960.

The previous prime is 4076721199. The next prime is 4076721251. The reversal of 4076721243 is 3421276704.

4076721243 is a `hidden beast` number, since 407 + 6 + 7 + 2 + 1 + 243 = 666.

It is not a de Polignac number, because 4076721243 - 2¹³ = 4076713051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4076721198 and 4076721207.

It is not an unprimeable number, because it can be changed into a prime (4076721283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32354868 + ... + 32354993.

It is an arithmetic number, because the mean of its divisors is an integer number (560818804).

Almost surely, 2^4076721243 is an apocalyptic number.

4076721243 is a deficient number, since it is larger than the sum of its proper divisors (2653104405).

4076721243 is a wasteful number, since it uses less digits than its factorization.

4076721243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64709874 (or 64709871 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 36.

The square root of 4076721243 is about 63849.2070663372. The cubic root of 4076721243 is about 1597.4857964896.

Adding to 4076721243 its reverse (3421276704), we get a palindrome (7497997947).

The spelling of 4076721243 in words is "four billion, seventy-six million, seven hundred twenty-one thousand, two hundred forty-three".