6427272340 has 24 divisors (see below), whose sum is σ = 13826475432. Its totient is φ = 2508203520.

The previous prime is 6427272337. The next prime is 6427272347. The reversal of 6427272340 is 432727246.

It can be written as a sum of positive squares in 4 ways, for example, as 170145936 + 6257126404 = 13044^2 + 79102^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6427272340.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6427272347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3918249 + ... + 3919888.

It is an arithmetic number, because the mean of its divisors is an integer number (576103143).

Almost surely, 2^6427272340 is an apocalyptic number.

It is an amenable number.

6427272340 is an abundant number, since it is smaller than the sum of its proper divisors (7399203092).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6427272340 is a wasteful number, since it uses less digits than its factorization.

6427272340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7838187 (or 7838185 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 37.

The square root of 6427272340 is about 80170.2709238281. The cubic root of 6427272340 is about 1859.2690252112.

Adding to 6427272340 its reverse (432727246), we get a palindrome (6859999586).

The spelling of 6427272340 in words is "six billion, four hundred twenty-seven million, two hundred seventy-two thousand, three hundred forty".