64127830 has 16 divisors (see below), whose sum is σ = 124309584. Its totient is φ = 23677920.

The previous prime is 64127821. The next prime is 64127837. The reversal of 64127830 is 3872146.

64127830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×64127830² = 8224757161017800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 64127792 and 64127801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64127837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246516 + ... + 246775.

It is an arithmetic number, because the mean of its divisors is an integer number (7769349).

Almost surely, 2^64127830 is an apocalyptic number.

64127830 is a deficient number, since it is larger than the sum of its proper divisors (60181754).

64127830 is a wasteful number, since it uses less digits than its factorization.

64127830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 493311.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 64127830 is about 8007.9853895971. The cubic root of 64127830 is about 400.2661353906.

Adding to 64127830 its reverse (3872146), we get a palindrome (67999976).

The spelling of 64127830 in words is "sixty-four million, one hundred twenty-seven thousand, eight hundred thirty".