64021030 has 16 divisors (see below), whose sum is σ = 115493040. Its totient is φ = 25551712.

The previous prime is 64021007. The next prime is 64021043. The reversal of 64021030 is 3012046.

It is a junction number, because it is equal to n+sod(n) for n = 64020995 and 64021013.

It is a congruent number.

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, 2185 + ... + 11524.

It is an arithmetic number, because the mean of its divisors is an integer number (7218315).

Almost surely, 2^64021030 is an apocalyptic number.

64021030 is a deficient number, since it is larger than the sum of its proper divisors (51472010).

64021030 is a wasteful number, since it uses less digits than its factorization.

64021030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14183.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 64021030 is about 8001.3142670439. The cubic root of 64021030 is about 400.0438077020.

Adding to 64021030 its reverse (3012046), we get a palindrome (67033076).

The spelling of 64021030 in words is "sixty-four million, twenty-one thousand, thirty".