6282720427 has 4 divisors (see below), whose sum is σ = 6287633920. Its totient is φ = 6277806936.

The previous prime is 6282720407. The next prime is 6282720439. The reversal of 6282720427 is 7240272826.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6282720427 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6282720427.

It is not an unprimeable number, because it can be changed into a prime (6282720407) 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, 2454828 + ... + 2457385.

It is an arithmetic number, because the mean of its divisors is an integer number (1571908480).

Almost surely, 2^6282720427 is an apocalyptic number.

6282720427 is a deficient number, since it is larger than the sum of its proper divisors (4913493).

6282720427 is a wasteful number, since it uses less digits than its factorization.

6282720427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4913492.

The product of its (nonzero) digits is 150528, while the sum is 40.

The square root of 6282720427 is about 79263.6135121280. The cubic root of 6282720427 is about 1845.2246382522.

The spelling of 6282720427 in words is "six billion, two hundred eighty-two million, seven hundred twenty thousand, four hundred twenty-seven".