64360420 has 24 divisors (see below), whose sum is σ = 135321984. Its totient is φ = 25712736.

The previous prime is 64360411. The next prime is 64360421. The reversal of 64360420 is 2406346.

It is not an unprimeable number, because it can be changed into a prime (64360421) 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, 21877 + ... + 24643.

It is an arithmetic number, because the mean of its divisors is an integer number (5638416).

Almost surely, 2^64360420 is an apocalyptic number.

It is an amenable number.

64360420 is an abundant number, since it is smaller than the sum of its proper divisors (70961564).

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

64360420 is a wasteful number, since it uses less digits than its factorization.

64360420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3939 (or 3937 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 64360420 is about 8022.4946244918. The cubic root of 64360420 is about 400.7494698603.

Adding to 64360420 its reverse (2406346), we get a palindrome (66766766).

The spelling of 64360420 in words is "sixty-four million, three hundred sixty thousand, four hundred twenty".