4272780305 has 8 divisors (see below), whose sum is σ = 5141620800. Its totient is φ = 3408701296.

The previous prime is 4272780229. The next prime is 4272780331. The reversal of 4272780305 is 5030872724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4272780305 - 2¹⁶ = 4272714769 is a prime.

It is a super-3 number, since 3×4272780305³ (a number of 30 digits) contains 333 as substring.

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, 1188395 + ... + 1191984.

It is an arithmetic number, because the mean of its divisors is an integer number (642702600).

Almost surely, 2^4272780305 is an apocalyptic number.

It is an amenable number.

4272780305 is a deficient number, since it is larger than the sum of its proper divisors (868840495).

4272780305 is a wasteful number, since it uses less digits than its factorization.

4272780305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2380743.

The product of its (nonzero) digits is 94080, while the sum is 38.

The square root of 4272780305 is about 65366.5075172293. The cubic root of 4272780305 is about 1622.6948370924.

The spelling of 4272780305 in words is "four billion, two hundred seventy-two million, seven hundred eighty thousand, three hundred five".